Home / 916,577.34-1,264,952.22-508,671.78

Finding the Fourth Proportional to 916,577.34, 1,264,952.22 and 508,671.78

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Solution

The fourth proportional to 916,577.34, 1,264,952.22 and 508,671.78 is: 702,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,577.34 : 1,264,952.22 = 508,671.78 : x
  2. Step 2: Convert to fraction form
    916,577.34/1,264,952.22 = 508,671.78/x
  3. Step 3: Cross multiply
    916,577.34x = 1,264,952.22 × 508,671.78
  4. Step 4: Simplify right side
    916,577.34x = 643,445,497,362.35
  5. Step 5: Solve for x
    x = 643,445,497,362.35/916,577.34
  6. Step 6: Final answer
    x = 702,008.95

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Double scale
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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.