Home / 661,252.32-912,185.28-457,495.20

Finding the Fourth Proportional to 661,252.32, 912,185.28 and 457,495.20

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Solution

The fourth proportional to 661,252.32, 912,185.28 and 457,495.20 is: 631,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,252.32 : 912,185.28 = 457,495.20 : x
  2. Step 2: Convert to fraction form
    661,252.32/912,185.28 = 457,495.20/x
  3. Step 3: Cross multiply
    661,252.32x = 912,185.28 × 457,495.20
  4. Step 4: Simplify right side
    661,252.32x = 417,320,387,110.66
  5. Step 5: Solve for x
    x = 417,320,387,110.66/661,252.32
  6. Step 6: Final answer
    x = 631,106.12

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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.