Home / 945,460.80-1,417,008.60-472,278.24

Finding the Fourth Proportional to 945,460.80, 1,417,008.60 and 472,278.24

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Solution

The fourth proportional to 945,460.80, 1,417,008.60 and 472,278.24 is: 707,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,460.80 : 1,417,008.60 = 472,278.24 : x
  2. Step 2: Convert to fraction form
    945,460.80/1,417,008.60 = 472,278.24/x
  3. Step 3: Cross multiply
    945,460.80x = 1,417,008.60 × 472,278.24
  4. Step 4: Simplify right side
    945,460.80x = 669,222,327,672.86
  5. Step 5: Solve for x
    x = 669,222,327,672.86/945,460.80
  6. Step 6: Final answer
    x = 707,826.63

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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.