Home / 676,802.48-934,085.40-390,265.52

Finding the Fourth Proportional to 676,802.48, 934,085.40 and 390,265.52

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Solution

The fourth proportional to 676,802.48, 934,085.40 and 390,265.52 is: 538,622.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,802.48 : 934,085.40 = 390,265.52 : x
  2. Step 2: Convert to fraction form
    676,802.48/934,085.40 = 390,265.52/x
  3. Step 3: Cross multiply
    676,802.48x = 934,085.40 × 390,265.52
  4. Step 4: Simplify right side
    676,802.48x = 364,541,324,355.41
  5. Step 5: Solve for x
    x = 364,541,324,355.41/676,802.48
  6. Step 6: Final answer
    x = 538,622.91

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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.