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Finding the Fourth Proportional to 558,768.30, 838,152.45 and 402,470.70

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Solution

The fourth proportional to 558,768.30, 838,152.45 and 402,470.70 is: 603,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,768.30 : 838,152.45 = 402,470.70 : x
  2. Step 2: Convert to fraction form
    558,768.30/838,152.45 = 402,470.70/x
  3. Step 3: Cross multiply
    558,768.30x = 838,152.45 × 402,470.70
  4. Step 4: Simplify right side
    558,768.30x = 337,331,803,258.22
  5. Step 5: Solve for x
    x = 337,331,803,258.22/558,768.30
  6. Step 6: Final answer
    x = 603,706.05

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Double scale
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Similar ratio
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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.