Home / 724,326.28-999,570.91-434,106.42

Finding the Fourth Proportional to 724,326.28, 999,570.91 and 434,106.42

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Solution

The fourth proportional to 724,326.28, 999,570.91 and 434,106.42 is: 599,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,326.28 : 999,570.91 = 434,106.42 : x
  2. Step 2: Convert to fraction form
    724,326.28/999,570.91 = 434,106.42/x
  3. Step 3: Cross multiply
    724,326.28x = 999,570.91 × 434,106.42
  4. Step 4: Simplify right side
    724,326.28x = 433,920,149,276.24
  5. Step 5: Solve for x
    x = 433,920,149,276.24/724,326.28
  6. Step 6: Final answer
    x = 599,067.25

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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.