Home / 674,267.40-1,011,548.79-253,543.28

Finding the Fourth Proportional to 674,267.40, 1,011,548.79 and 253,543.28

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Solution

The fourth proportional to 674,267.40, 1,011,548.79 and 253,543.28 is: 380,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,267.40 : 1,011,548.79 = 253,543.28 : x
  2. Step 2: Convert to fraction form
    674,267.40/1,011,548.79 = 253,543.28/x
  3. Step 3: Cross multiply
    674,267.40x = 1,011,548.79 × 253,543.28
  4. Step 4: Simplify right side
    674,267.40x = 256,471,393,038.89
  5. Step 5: Solve for x
    x = 256,471,393,038.89/674,267.40
  6. Step 6: Final answer
    x = 380,370.45

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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.