Home / 698,721.86-1,048,304.23-249,432.77

Finding the Fourth Proportional to 698,721.86, 1,048,304.23 and 249,432.77

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Solution

The fourth proportional to 698,721.86, 1,048,304.23 and 249,432.77 is: 374,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,721.86 : 1,048,304.23 = 249,432.77 : x
  2. Step 2: Convert to fraction form
    698,721.86/1,048,304.23 = 249,432.77/x
  3. Step 3: Cross multiply
    698,721.86x = 1,048,304.23 × 249,432.77
  4. Step 4: Simplify right side
    698,721.86x = 261,481,429,888.80
  5. Step 5: Solve for x
    x = 261,481,429,888.80/698,721.86
  6. Step 6: Final answer
    x = 374,228.21

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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.