Home / 926,279.10-1,389,418.65-365,240.70

Finding the Fourth Proportional to 926,279.10, 1,389,418.65 and 365,240.70

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Solution

The fourth proportional to 926,279.10, 1,389,418.65 and 365,240.70 is: 547,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,279.10 : 1,389,418.65 = 365,240.70 : x
  2. Step 2: Convert to fraction form
    926,279.10/1,389,418.65 = 365,240.70/x
  3. Step 3: Cross multiply
    926,279.10x = 1,389,418.65 × 365,240.70
  4. Step 4: Simplify right side
    926,279.10x = 507,472,240,319.06
  5. Step 5: Solve for x
    x = 507,472,240,319.06/926,279.10
  6. Step 6: Final answer
    x = 547,861.05

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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.