Home / 916,761.02-1,264,995.38-508,865.93

Finding the Fourth Proportional to 916,761.02, 1,264,995.38 and 508,865.93

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Solution

The fourth proportional to 916,761.02, 1,264,995.38 and 508,865.93 is: 702,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,761.02 : 1,264,995.38 = 508,865.93 : x
  2. Step 2: Convert to fraction form
    916,761.02/1,264,995.38 = 508,865.93/x
  3. Step 3: Cross multiply
    916,761.02x = 1,264,995.38 × 508,865.93
  4. Step 4: Simplify right side
    916,761.02x = 643,713,045,436.59
  5. Step 5: Solve for x
    x = 643,713,045,436.59/916,761.02
  6. Step 6: Final answer
    x = 702,160.14

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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.