Home / 935,088.28-1,289,823.42-648,503.80

Finding the Fourth Proportional to 935,088.28, 1,289,823.42 and 648,503.80

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Solution

The fourth proportional to 935,088.28, 1,289,823.42 and 648,503.80 is: 894,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,088.28 : 1,289,823.42 = 648,503.80 : x
  2. Step 2: Convert to fraction form
    935,088.28/1,289,823.42 = 648,503.80/x
  3. Step 3: Cross multiply
    935,088.28x = 1,289,823.42 × 648,503.80
  4. Step 4: Simplify right side
    935,088.28x = 836,455,389,199.00
  5. Step 5: Solve for x
    x = 836,455,389,199.00/935,088.28
  6. Step 6: Final answer
    x = 894,520.24

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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.