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Finding the Fourth Proportional to 576,323.20, 864,484.80 and 310,602.70

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Solution

The fourth proportional to 576,323.20, 864,484.80 and 310,602.70 is: 465,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,323.20 : 864,484.80 = 310,602.70 : x
  2. Step 2: Convert to fraction form
    576,323.20/864,484.80 = 310,602.70/x
  3. Step 3: Cross multiply
    576,323.20x = 864,484.80 × 310,602.70
  4. Step 4: Simplify right side
    576,323.20x = 268,511,312,988.96
  5. Step 5: Solve for x
    x = 268,511,312,988.96/576,323.20
  6. Step 6: Final answer
    x = 465,904.05

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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.