Home / 868,423.86-1,302,761.34-328,533.75

Finding the Fourth Proportional to 868,423.86, 1,302,761.34 and 328,533.75

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Solution

The fourth proportional to 868,423.86, 1,302,761.34 and 328,533.75 is: 492,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,423.86 : 1,302,761.34 = 328,533.75 : x
  2. Step 2: Convert to fraction form
    868,423.86/1,302,761.34 = 328,533.75/x
  3. Step 3: Cross multiply
    868,423.86x = 1,302,761.34 × 328,533.75
  4. Step 4: Simplify right side
    868,423.86x = 428,001,068,385.23
  5. Step 5: Solve for x
    x = 428,001,068,385.23/868,423.86
  6. Step 6: Final answer
    x = 492,848.12

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1.5x scale

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.