Home / 840,596.50-1,159,672.13-550,279.07

Finding the Fourth Proportional to 840,596.50, 1,159,672.13 and 550,279.07

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Solution

The fourth proportional to 840,596.50, 1,159,672.13 and 550,279.07 is: 759,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,596.50 : 1,159,672.13 = 550,279.07 : x
  2. Step 2: Convert to fraction form
    840,596.50/1,159,672.13 = 550,279.07/x
  3. Step 3: Cross multiply
    840,596.50x = 1,159,672.13 × 550,279.07
  4. Step 4: Simplify right side
    840,596.50x = 638,143,298,449.92
  5. Step 5: Solve for x
    x = 638,143,298,449.92/840,596.50
  6. Step 6: Final answer
    x = 759,155.32

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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.