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Finding the Fourth Proportional to 586,760.40, 880,140.60 and 400,136.40

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Solution

The fourth proportional to 586,760.40, 880,140.60 and 400,136.40 is: 600,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,760.40 : 880,140.60 = 400,136.40 : x
  2. Step 2: Convert to fraction form
    586,760.40/880,140.60 = 400,136.40/x
  3. Step 3: Cross multiply
    586,760.40x = 880,140.60 × 400,136.40
  4. Step 4: Simplify right side
    586,760.40x = 352,176,291,177.84
  5. Step 5: Solve for x
    x = 352,176,291,177.84/586,760.40
  6. Step 6: Final answer
    x = 600,204.60

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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.