Home / 742,842.58-1,114,132.14-337,940.72

Finding the Fourth Proportional to 742,842.58, 1,114,132.14 and 337,940.72

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Solution

The fourth proportional to 742,842.58, 1,114,132.14 and 337,940.72 is: 506,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,842.58 : 1,114,132.14 = 337,940.72 : x
  2. Step 2: Convert to fraction form
    742,842.58/1,114,132.14 = 337,940.72/x
  3. Step 3: Cross multiply
    742,842.58x = 1,114,132.14 × 337,940.72
  4. Step 4: Simplify right side
    742,842.58x = 376,510,617,566.74
  5. Step 5: Solve for x
    x = 376,510,617,566.74/742,842.58
  6. Step 6: Final answer
    x = 506,851.15

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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.