Home / 831,348.08-1,147,162.86-468,750.30

Finding the Fourth Proportional to 831,348.08, 1,147,162.86 and 468,750.30

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Solution

The fourth proportional to 831,348.08, 1,147,162.86 and 468,750.30 is: 646,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,348.08 : 1,147,162.86 = 468,750.30 : x
  2. Step 2: Convert to fraction form
    831,348.08/1,147,162.86 = 468,750.30/x
  3. Step 3: Cross multiply
    831,348.08x = 1,147,162.86 × 468,750.30
  4. Step 4: Simplify right side
    831,348.08x = 537,732,934,773.86
  5. Step 5: Solve for x
    x = 537,732,934,773.86/831,348.08
  6. Step 6: Final answer
    x = 646,820.45

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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.