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Finding the Fourth Proportional to 646,695.04, 970,151.28 and 291,700.48

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Solution

The fourth proportional to 646,695.04, 970,151.28 and 291,700.48 is: 437,599.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,695.04 : 970,151.28 = 291,700.48 : x
  2. Step 2: Convert to fraction form
    646,695.04/970,151.28 = 291,700.48/x
  3. Step 3: Cross multiply
    646,695.04x = 970,151.28 × 291,700.48
  4. Step 4: Simplify right side
    646,695.04x = 282,993,594,048.61
  5. Step 5: Solve for x
    x = 282,993,594,048.61/646,695.04
  6. Step 6: Final answer
    x = 437,599.76

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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.