Home / 712,511.40-1,068,877.79-239,307.48

Finding the Fourth Proportional to 712,511.40, 1,068,877.79 and 239,307.48

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Solution

The fourth proportional to 712,511.40, 1,068,877.79 and 239,307.48 is: 358,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,511.40 : 1,068,877.79 = 239,307.48 : x
  2. Step 2: Convert to fraction form
    712,511.40/1,068,877.79 = 239,307.48/x
  3. Step 3: Cross multiply
    712,511.40x = 1,068,877.79 × 239,307.48
  4. Step 4: Simplify right side
    712,511.40x = 255,790,450,053.74
  5. Step 5: Solve for x
    x = 255,790,450,053.74/712,511.40
  6. Step 6: Final answer
    x = 358,998.39

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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.