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Finding the Fourth Proportional to 612,678.29, 845,491.35 and 337,030.20

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Solution

The fourth proportional to 612,678.29, 845,491.35 and 337,030.20 is: 465,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,678.29 : 845,491.35 = 337,030.20 : x
  2. Step 2: Convert to fraction form
    612,678.29/845,491.35 = 337,030.20/x
  3. Step 3: Cross multiply
    612,678.29x = 845,491.35 × 337,030.20
  4. Step 4: Simplify right side
    612,678.29x = 284,956,120,695.50
  5. Step 5: Solve for x
    x = 284,956,120,695.50/612,678.29
  6. Step 6: Final answer
    x = 465,099.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.