Home / 749,327.80-1,124,002.37-243,891.45

Finding the Fourth Proportional to 749,327.80, 1,124,002.37 and 243,891.45

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Solution

The fourth proportional to 749,327.80, 1,124,002.37 and 243,891.45 is: 365,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,327.80 : 1,124,002.37 = 243,891.45 : x
  2. Step 2: Convert to fraction form
    749,327.80/1,124,002.37 = 243,891.45/x
  3. Step 3: Cross multiply
    749,327.80x = 1,124,002.37 × 243,891.45
  4. Step 4: Simplify right side
    749,327.80x = 274,134,566,603.28
  5. Step 5: Solve for x
    x = 274,134,566,603.28/749,327.80
  6. Step 6: Final answer
    x = 365,840.65

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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.