Home / 648,375.56-893,687.22-433,437.20

Finding the Fourth Proportional to 648,375.56, 893,687.22 and 433,437.20

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Solution

The fourth proportional to 648,375.56, 893,687.22 and 433,437.20 is: 597,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,375.56 : 893,687.22 = 433,437.20 : x
  2. Step 2: Convert to fraction form
    648,375.56/893,687.22 = 433,437.20/x
  3. Step 3: Cross multiply
    648,375.56x = 893,687.22 × 433,437.20
  4. Step 4: Simplify right side
    648,375.56x = 387,357,286,312.58
  5. Step 5: Solve for x
    x = 387,357,286,312.58/648,375.56
  6. Step 6: Final answer
    x = 597,427.34

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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.