Home / 558,844.20-838,266.30-334,895.40

Finding the Fourth Proportional to 558,844.20, 838,266.30 and 334,895.40

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Solution

The fourth proportional to 558,844.20, 838,266.30 and 334,895.40 is: 502,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,844.20 : 838,266.30 = 334,895.40 : x
  2. Step 2: Convert to fraction form
    558,844.20/838,266.30 = 334,895.40/x
  3. Step 3: Cross multiply
    558,844.20x = 838,266.30 × 334,895.40
  4. Step 4: Simplify right side
    558,844.20x = 280,731,527,845.02
  5. Step 5: Solve for x
    x = 280,731,527,845.02/558,844.20
  6. Step 6: Final answer
    x = 502,343.10

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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.