Home / 497,254.20-745,881.30-308,297.40

Finding the Fourth Proportional to 497,254.20, 745,881.30 and 308,297.40

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Solution

The fourth proportional to 497,254.20, 745,881.30 and 308,297.40 is: 462,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,254.20 : 745,881.30 = 308,297.40 : x
  2. Step 2: Convert to fraction form
    497,254.20/745,881.30 = 308,297.40/x
  3. Step 3: Cross multiply
    497,254.20x = 745,881.30 × 308,297.40
  4. Step 4: Simplify right side
    497,254.20x = 229,953,265,498.62
  5. Step 5: Solve for x
    x = 229,953,265,498.62/497,254.20
  6. Step 6: Final answer
    x = 462,446.10

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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.