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Finding the Fourth Proportional to 761,374, 1,141,873.89 and 335,017

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Solution

The fourth proportional to 761,374, 1,141,873.89 and 335,017 is: 502,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,374 : 1,141,873.89 = 335,017 : x
  2. Step 2: Convert to fraction form
    761,374/1,141,873.89 = 335,017/x
  3. Step 3: Cross multiply
    761,374x = 1,141,873.89 × 335,017
  4. Step 4: Simplify right side
    761,374x = 382,547,165,006.13
  5. Step 5: Solve for x
    x = 382,547,165,006.13/761,374
  6. Step 6: Final answer
    x = 502,443.17

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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.