Home / 890,926.13-1,229,474.18-483,026.72

Finding the Fourth Proportional to 890,926.13, 1,229,474.18 and 483,026.72

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Solution

The fourth proportional to 890,926.13, 1,229,474.18 and 483,026.72 is: 666,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,926.13 : 1,229,474.18 = 483,026.72 : x
  2. Step 2: Convert to fraction form
    890,926.13/1,229,474.18 = 483,026.72/x
  3. Step 3: Cross multiply
    890,926.13x = 1,229,474.18 × 483,026.72
  4. Step 4: Simplify right side
    890,926.13x = 593,868,875,550.29
  5. Step 5: Solve for x
    x = 593,868,875,550.29/890,926.13
  6. Step 6: Final answer
    x = 666,574.76

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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.