Home / 786,963.70-1,180,445.55-488,365.30

Finding the Fourth Proportional to 786,963.70, 1,180,445.55 and 488,365.30

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Solution

The fourth proportional to 786,963.70, 1,180,445.55 and 488,365.30 is: 732,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,963.70 : 1,180,445.55 = 488,365.30 : x
  2. Step 2: Convert to fraction form
    786,963.70/1,180,445.55 = 488,365.30/x
  3. Step 3: Cross multiply
    786,963.70x = 1,180,445.55 × 488,365.30
  4. Step 4: Simplify right side
    786,963.70x = 576,488,645,159.42
  5. Step 5: Solve for x
    x = 576,488,645,159.42/786,963.70
  6. Step 6: Final answer
    x = 732,547.95

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Double scale
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Similar ratio
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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.