Home / 851,030.04-1,276,744.66-338,726.20

Finding the Fourth Proportional to 851,030.04, 1,276,744.66 and 338,726.20

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Solution

The fourth proportional to 851,030.04, 1,276,744.66 and 338,726.20 is: 508,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,030.04 : 1,276,744.66 = 338,726.20 : x
  2. Step 2: Convert to fraction form
    851,030.04/1,276,744.66 = 338,726.20/x
  3. Step 3: Cross multiply
    851,030.04x = 1,276,744.66 × 338,726.20
  4. Step 4: Simplify right side
    851,030.04x = 432,466,867,052.09
  5. Step 5: Solve for x
    x = 432,466,867,052.09/851,030.04
  6. Step 6: Final answer
    x = 508,168.74

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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.