Home / 907,048.25-1,251,695.20-499,111.95

Finding the Fourth Proportional to 907,048.25, 1,251,695.20 and 499,111.95

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Solution

The fourth proportional to 907,048.25, 1,251,695.20 and 499,111.95 is: 688,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,048.25 : 1,251,695.20 = 499,111.95 : x
  2. Step 2: Convert to fraction form
    907,048.25/1,251,695.20 = 499,111.95/x
  3. Step 3: Cross multiply
    907,048.25x = 1,251,695.20 × 499,111.95
  4. Step 4: Simplify right side
    907,048.25x = 624,736,029,582.08
  5. Step 5: Solve for x
    x = 624,736,029,582.08/907,048.25
  6. Step 6: Final answer
    x = 688,757.22

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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.