Home / 906,491.55-1,250,960.83-498,635.18

Finding the Fourth Proportional to 906,491.55, 1,250,960.83 and 498,635.18

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Solution

The fourth proportional to 906,491.55, 1,250,960.83 and 498,635.18 is: 688,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,491.55 : 1,250,960.83 = 498,635.18 : x
  2. Step 2: Convert to fraction form
    906,491.55/1,250,960.83 = 498,635.18/x
  3. Step 3: Cross multiply
    906,491.55x = 1,250,960.83 × 498,635.18
  4. Step 4: Simplify right side
    906,491.55x = 623,773,074,266.01
  5. Step 5: Solve for x
    x = 623,773,074,266.01/906,491.55
  6. Step 6: Final answer
    x = 688,117.92

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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.