Home / 684,451.80-1,026,677.70-579,475.80

Finding the Fourth Proportional to 684,451.80, 1,026,677.70 and 579,475.80

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Solution

The fourth proportional to 684,451.80, 1,026,677.70 and 579,475.80 is: 869,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,451.80 : 1,026,677.70 = 579,475.80 : x
  2. Step 2: Convert to fraction form
    684,451.80/1,026,677.70 = 579,475.80/x
  3. Step 3: Cross multiply
    684,451.80x = 1,026,677.70 × 579,475.80
  4. Step 4: Simplify right side
    684,451.80x = 594,934,881,549.66
  5. Step 5: Solve for x
    x = 594,934,881,549.66/684,451.80
  6. Step 6: Final answer
    x = 869,213.70

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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.