Home / 894,470.81-1,234,384.55-486,574.87

Finding the Fourth Proportional to 894,470.81, 1,234,384.55 and 486,574.87

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Solution

The fourth proportional to 894,470.81, 1,234,384.55 and 486,574.87 is: 671,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,470.81 : 1,234,384.55 = 486,574.87 : x
  2. Step 2: Convert to fraction form
    894,470.81/1,234,384.55 = 486,574.87/x
  3. Step 3: Cross multiply
    894,470.81x = 1,234,384.55 × 486,574.87
  4. Step 4: Simplify right side
    894,470.81x = 600,620,495,200.52
  5. Step 5: Solve for x
    x = 600,620,495,200.52/894,470.81
  6. Step 6: Final answer
    x = 671,481.38

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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.