Home / 820,325.04-1,131,879.48-471,397.98

Finding the Fourth Proportional to 820,325.04, 1,131,879.48 and 471,397.98

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Solution

The fourth proportional to 820,325.04, 1,131,879.48 and 471,397.98 is: 650,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,325.04 : 1,131,879.48 = 471,397.98 : x
  2. Step 2: Convert to fraction form
    820,325.04/1,131,879.48 = 471,397.98/x
  3. Step 3: Cross multiply
    820,325.04x = 1,131,879.48 × 471,397.98
  4. Step 4: Simplify right side
    820,325.04x = 533,565,700,475.45
  5. Step 5: Solve for x
    x = 533,565,700,475.45/820,325.04
  6. Step 6: Final answer
    x = 650,432.05

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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.