Home / 759,098.76-1,047,141.57-486,863.70

Finding the Fourth Proportional to 759,098.76, 1,047,141.57 and 486,863.70

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Solution

The fourth proportional to 759,098.76, 1,047,141.57 and 486,863.70 is: 671,605.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,098.76 : 1,047,141.57 = 486,863.70 : x
  2. Step 2: Convert to fraction form
    759,098.76/1,047,141.57 = 486,863.70/x
  3. Step 3: Cross multiply
    759,098.76x = 1,047,141.57 × 486,863.70
  4. Step 4: Simplify right side
    759,098.76x = 509,815,219,194.01
  5. Step 5: Solve for x
    x = 509,815,219,194.01/759,098.76
  6. Step 6: Final answer
    x = 671,605.92

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Half scale
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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.