Home / 377,856.55-567,572.14-318,807.55

Finding the Fourth Proportional to 377,856.55, 567,572.14 and 318,807.55

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Solution

The fourth proportional to 377,856.55, 567,572.14 and 318,807.55 is: 478,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,856.55 : 567,572.14 = 318,807.55 : x
  2. Step 2: Convert to fraction form
    377,856.55/567,572.14 = 318,807.55/x
  3. Step 3: Cross multiply
    377,856.55x = 567,572.14 × 318,807.55
  4. Step 4: Simplify right side
    377,856.55x = 180,946,280,563.80
  5. Step 5: Solve for x
    x = 180,946,280,563.80/377,856.55
  6. Step 6: Final answer
    x = 478,875.60

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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.