Home / 936,947.18-1,292,990.03-507,226.30

Finding the Fourth Proportional to 936,947.18, 1,292,990.03 and 507,226.30

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Solution

The fourth proportional to 936,947.18, 1,292,990.03 and 507,226.30 is: 699,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,947.18 : 1,292,990.03 = 507,226.30 : x
  2. Step 2: Convert to fraction form
    936,947.18/1,292,990.03 = 507,226.30/x
  3. Step 3: Cross multiply
    936,947.18x = 1,292,990.03 × 507,226.30
  4. Step 4: Simplify right side
    936,947.18x = 655,838,548,853.79
  5. Step 5: Solve for x
    x = 655,838,548,853.79/936,947.18
  6. Step 6: Final answer
    x = 699,973.88

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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.