Home / 712,930.68-1,069,076.48-424,878.35

Finding the Fourth Proportional to 712,930.68, 1,069,076.48 and 424,878.35

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Solution

The fourth proportional to 712,930.68, 1,069,076.48 and 424,878.35 is: 637,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,930.68 : 1,069,076.48 = 424,878.35 : x
  2. Step 2: Convert to fraction form
    712,930.68/1,069,076.48 = 424,878.35/x
  3. Step 3: Cross multiply
    712,930.68x = 1,069,076.48 × 424,878.35
  4. Step 4: Simplify right side
    712,930.68x = 454,227,443,376.43
  5. Step 5: Solve for x
    x = 454,227,443,376.43/712,930.68
  6. Step 6: Final answer
    x = 637,127.08

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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.