Home / 437,555.60-656,851.80-434,445.20

Finding the Fourth Proportional to 437,555.60, 656,851.80 and 434,445.20

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Solution

The fourth proportional to 437,555.60, 656,851.80 and 434,445.20 is: 652,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,555.60 : 656,851.80 = 434,445.20 : x
  2. Step 2: Convert to fraction form
    437,555.60/656,851.80 = 434,445.20/x
  3. Step 3: Cross multiply
    437,555.60x = 656,851.80 × 434,445.20
  4. Step 4: Simplify right side
    437,555.60x = 285,366,111,621.36
  5. Step 5: Solve for x
    x = 285,366,111,621.36/437,555.60
  6. Step 6: Final answer
    x = 652,182.51

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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.