Home / 917,600.30-1,376,400.45-634,165.10

Finding the Fourth Proportional to 917,600.30, 1,376,400.45 and 634,165.10

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Solution

The fourth proportional to 917,600.30, 1,376,400.45 and 634,165.10 is: 951,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,600.30 : 1,376,400.45 = 634,165.10 : x
  2. Step 2: Convert to fraction form
    917,600.30/1,376,400.45 = 634,165.10/x
  3. Step 3: Cross multiply
    917,600.30x = 1,376,400.45 × 634,165.10
  4. Step 4: Simplify right side
    917,600.30x = 872,865,129,014.30
  5. Step 5: Solve for x
    x = 872,865,129,014.30/917,600.30
  6. Step 6: Final answer
    x = 951,247.65

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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.