Home / 778,891.30-1,168,336.95-497,572.90

Finding the Fourth Proportional to 778,891.30, 1,168,336.95 and 497,572.90

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Solution

The fourth proportional to 778,891.30, 1,168,336.95 and 497,572.90 is: 746,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,891.30 : 1,168,336.95 = 497,572.90 : x
  2. Step 2: Convert to fraction form
    778,891.30/1,168,336.95 = 497,572.90/x
  3. Step 3: Cross multiply
    778,891.30x = 1,168,336.95 × 497,572.90
  4. Step 4: Simplify right side
    778,891.30x = 581,332,804,388.66
  5. Step 5: Solve for x
    x = 581,332,804,388.66/778,891.30
  6. Step 6: Final answer
    x = 746,359.35

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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.