Home / 763,637.28-1,053,821.90-424,105.52

Finding the Fourth Proportional to 763,637.28, 1,053,821.90 and 424,105.52

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Solution

The fourth proportional to 763,637.28, 1,053,821.90 and 424,105.52 is: 585,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,637.28 : 1,053,821.90 = 424,105.52 : x
  2. Step 2: Convert to fraction form
    763,637.28/1,053,821.90 = 424,105.52/x
  3. Step 3: Cross multiply
    763,637.28x = 1,053,821.90 × 424,105.52
  4. Step 4: Simplify right side
    763,637.28x = 446,931,684,886.89
  5. Step 5: Solve for x
    x = 446,931,684,886.89/763,637.28
  6. Step 6: Final answer
    x = 585,266.98

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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.