Home / 880,296.66-1,319,652.81-318,937.50

Finding the Fourth Proportional to 880,296.66, 1,319,652.81 and 318,937.50

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Solution

The fourth proportional to 880,296.66, 1,319,652.81 and 318,937.50 is: 478,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,296.66 : 1,319,652.81 = 318,937.50 : x
  2. Step 2: Convert to fraction form
    880,296.66/1,319,652.81 = 318,937.50/x
  3. Step 3: Cross multiply
    880,296.66x = 1,319,652.81 × 318,937.50
  4. Step 4: Simplify right side
    880,296.66x = 420,886,768,089.38
  5. Step 5: Solve for x
    x = 420,886,768,089.38/880,296.66
  6. Step 6: Final answer
    x = 478,119.24

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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.