Home / 743,343.90-1,025,699.67-437,574.30

Finding the Fourth Proportional to 743,343.90, 1,025,699.67 and 437,574.30

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Solution

The fourth proportional to 743,343.90, 1,025,699.67 and 437,574.30 is: 603,784.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,343.90 : 1,025,699.67 = 437,574.30 : x
  2. Step 2: Convert to fraction form
    743,343.90/1,025,699.67 = 437,574.30/x
  3. Step 3: Cross multiply
    743,343.90x = 1,025,699.67 × 437,574.30
  4. Step 4: Simplify right side
    743,343.90x = 448,819,815,110.48
  5. Step 5: Solve for x
    x = 448,819,815,110.48/743,343.90
  6. Step 6: Final answer
    x = 603,784.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.