Home / 788,425.34-1,180,920.27-518,248.47

Finding the Fourth Proportional to 788,425.34, 1,180,920.27 and 518,248.47

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Solution

The fourth proportional to 788,425.34, 1,180,920.27 and 518,248.47 is: 776,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,425.34 : 1,180,920.27 = 518,248.47 : x
  2. Step 2: Convert to fraction form
    788,425.34/1,180,920.27 = 518,248.47/x
  3. Step 3: Cross multiply
    788,425.34x = 1,180,920.27 × 518,248.47
  4. Step 4: Simplify right side
    788,425.34x = 612,010,123,119.49
  5. Step 5: Solve for x
    x = 612,010,123,119.49/788,425.34
  6. Step 6: Final answer
    x = 776,243.60

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Double scale
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1.5x scale

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.