Home / 972,411.08-1,341,994.65-542,775.20

Finding the Fourth Proportional to 972,411.08, 1,341,994.65 and 542,775.20

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Solution

The fourth proportional to 972,411.08, 1,341,994.65 and 542,775.20 is: 749,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,411.08 : 1,341,994.65 = 542,775.20 : x
  2. Step 2: Convert to fraction form
    972,411.08/1,341,994.65 = 542,775.20/x
  3. Step 3: Cross multiply
    972,411.08x = 1,341,994.65 × 542,775.20
  4. Step 4: Simplify right side
    972,411.08x = 728,401,414,552.68
  5. Step 5: Solve for x
    x = 728,401,414,552.68/972,411.08
  6. Step 6: Final answer
    x = 749,067.37

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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.