Home / 906,285.39-1,250,647.34-498,386.81

Finding the Fourth Proportional to 906,285.39, 1,250,647.34 and 498,386.81

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Solution

The fourth proportional to 906,285.39, 1,250,647.34 and 498,386.81 is: 687,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,285.39 : 1,250,647.34 = 498,386.81 : x
  2. Step 2: Convert to fraction form
    906,285.39/1,250,647.34 = 498,386.81/x
  3. Step 3: Cross multiply
    906,285.39x = 1,250,647.34 × 498,386.81
  4. Step 4: Simplify right side
    906,285.39x = 623,306,129,472.42
  5. Step 5: Solve for x
    x = 623,306,129,472.42/906,285.39
  6. Step 6: Final answer
    x = 687,759.22

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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.