Home / 763,127.40-1,053,119.88-476,813.52

Finding the Fourth Proportional to 763,127.40, 1,053,119.88 and 476,813.52

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Solution

The fourth proportional to 763,127.40, 1,053,119.88 and 476,813.52 is: 658,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,127.40 : 1,053,119.88 = 476,813.52 : x
  2. Step 2: Convert to fraction form
    763,127.40/1,053,119.88 = 476,813.52/x
  3. Step 3: Cross multiply
    763,127.40x = 1,053,119.88 × 476,813.52
  4. Step 4: Simplify right side
    763,127.40x = 502,141,796,964.78
  5. Step 5: Solve for x
    x = 502,141,796,964.78/763,127.40
  6. Step 6: Final answer
    x = 658,005.20

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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.