Home / 916,636.38-1,264,939.17-508,714.52

Finding the Fourth Proportional to 916,636.38, 1,264,939.17 and 508,714.52

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Solution

The fourth proportional to 916,636.38, 1,264,939.17 and 508,714.52 is: 702,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,636.38 : 1,264,939.17 = 508,714.52 : x
  2. Step 2: Convert to fraction form
    916,636.38/1,264,939.17 = 508,714.52/x
  3. Step 3: Cross multiply
    916,636.38x = 1,264,939.17 × 508,714.52
  4. Step 4: Simplify right side
    916,636.38x = 643,492,916,371.05
  5. Step 5: Solve for x
    x = 643,492,916,371.05/916,636.38
  6. Step 6: Final answer
    x = 702,015.47

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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.