Home / 820,225.95-1,131,801.98-457,597.05

Finding the Fourth Proportional to 820,225.95, 1,131,801.98 and 457,597.05

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Solution

The fourth proportional to 820,225.95, 1,131,801.98 and 457,597.05 is: 631,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,225.95 : 1,131,801.98 = 457,597.05 : x
  2. Step 2: Convert to fraction form
    820,225.95/1,131,801.98 = 457,597.05/x
  3. Step 3: Cross multiply
    820,225.95x = 1,131,801.98 × 457,597.05
  4. Step 4: Simplify right side
    820,225.95x = 517,909,244,944.17
  5. Step 5: Solve for x
    x = 517,909,244,944.17/820,225.95
  6. Step 6: Final answer
    x = 631,422.65

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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.