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Finding the Fourth Proportional to 576,724.48, 864,595.98 and 352,242.39

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Solution

The fourth proportional to 576,724.48, 864,595.98 and 352,242.39 is: 528,063.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,724.48 : 864,595.98 = 352,242.39 : x
  2. Step 2: Convert to fraction form
    576,724.48/864,595.98 = 352,242.39/x
  3. Step 3: Cross multiply
    576,724.48x = 864,595.98 × 352,242.39
  4. Step 4: Simplify right side
    576,724.48x = 304,547,357,621.83
  5. Step 5: Solve for x
    x = 304,547,357,621.83/576,724.48
  6. Step 6: Final answer
    x = 528,063.87

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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.