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Finding the Fourth Proportional to 406,480.30, 610,411.65 and 301,417.90

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Solution

The fourth proportional to 406,480.30, 610,411.65 and 301,417.90 is: 452,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,480.30 : 610,411.65 = 301,417.90 : x
  2. Step 2: Convert to fraction form
    406,480.30/610,411.65 = 301,417.90/x
  3. Step 3: Cross multiply
    406,480.30x = 610,411.65 × 301,417.90
  4. Step 4: Simplify right side
    406,480.30x = 183,988,997,678.54
  5. Step 5: Solve for x
    x = 183,988,997,678.54/406,480.30
  6. Step 6: Final answer
    x = 452,639.40

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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.