Home / 761,456.97-1,050,677.43-434,620.76

Finding the Fourth Proportional to 761,456.97, 1,050,677.43 and 434,620.76

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Solution

The fourth proportional to 761,456.97, 1,050,677.43 and 434,620.76 is: 599,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,456.97 : 1,050,677.43 = 434,620.76 : x
  2. Step 2: Convert to fraction form
    761,456.97/1,050,677.43 = 434,620.76/x
  3. Step 3: Cross multiply
    761,456.97x = 1,050,677.43 × 434,620.76
  4. Step 4: Simplify right side
    761,456.97x = 456,646,216,258.23
  5. Step 5: Solve for x
    x = 456,646,216,258.23/761,456.97
  6. Step 6: Final answer
    x = 599,700.62

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Double scale
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1.5x scale

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.