Home / 904,345.28-1,247,950.65-536,838.12

Finding the Fourth Proportional to 904,345.28, 1,247,950.65 and 536,838.12

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Solution

The fourth proportional to 904,345.28, 1,247,950.65 and 536,838.12 is: 740,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,345.28 : 1,247,950.65 = 536,838.12 : x
  2. Step 2: Convert to fraction form
    904,345.28/1,247,950.65 = 536,838.12/x
  3. Step 3: Cross multiply
    904,345.28x = 1,247,950.65 × 536,838.12
  4. Step 4: Simplify right side
    904,345.28x = 669,947,480,798.78
  5. Step 5: Solve for x
    x = 669,947,480,798.78/904,345.28
  6. Step 6: Final answer
    x = 740,809.40

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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.