Home / 736,901.60-1,105,352.40-400,978.40

Finding the Fourth Proportional to 736,901.60, 1,105,352.40 and 400,978.40

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Solution

The fourth proportional to 736,901.60, 1,105,352.40 and 400,978.40 is: 601,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,901.60 : 1,105,352.40 = 400,978.40 : x
  2. Step 2: Convert to fraction form
    736,901.60/1,105,352.40 = 400,978.40/x
  3. Step 3: Cross multiply
    736,901.60x = 1,105,352.40 × 400,978.40
  4. Step 4: Simplify right side
    736,901.60x = 443,222,436,788.16
  5. Step 5: Solve for x
    x = 443,222,436,788.16/736,901.60
  6. Step 6: Final answer
    x = 601,467.60

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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.