Home / 764,109.20-1,144,851.60-497,732.60

Finding the Fourth Proportional to 764,109.20, 1,144,851.60 and 497,732.60

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Solution

The fourth proportional to 764,109.20, 1,144,851.60 and 497,732.60 is: 745,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,109.20 : 1,144,851.60 = 497,732.60 : x
  2. Step 2: Convert to fraction form
    764,109.20/1,144,851.60 = 497,732.60/x
  3. Step 3: Cross multiply
    764,109.20x = 1,144,851.60 × 497,732.60
  4. Step 4: Simplify right side
    764,109.20x = 569,829,963,482.16
  5. Step 5: Solve for x
    x = 569,829,963,482.16/764,109.20
  6. Step 6: Final answer
    x = 745,744.15

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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.