Home / 698,693.80-1,048,040.70-249,629.80

Finding the Fourth Proportional to 698,693.80, 1,048,040.70 and 249,629.80

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Solution

The fourth proportional to 698,693.80, 1,048,040.70 and 249,629.80 is: 374,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,693.80 : 1,048,040.70 = 249,629.80 : x
  2. Step 2: Convert to fraction form
    698,693.80/1,048,040.70 = 249,629.80/x
  3. Step 3: Cross multiply
    698,693.80x = 1,048,040.70 × 249,629.80
  4. Step 4: Simplify right side
    698,693.80x = 261,622,190,332.86
  5. Step 5: Solve for x
    x = 261,622,190,332.86/698,693.80
  6. Step 6: Final answer
    x = 374,444.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.