Home / 955,389.74-1,433,047.55-356,349.78

Finding the Fourth Proportional to 955,389.74, 1,433,047.55 and 356,349.78

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Solution

The fourth proportional to 955,389.74, 1,433,047.55 and 356,349.78 is: 534,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,389.74 : 1,433,047.55 = 356,349.78 : x
  2. Step 2: Convert to fraction form
    955,389.74/1,433,047.55 = 356,349.78/x
  3. Step 3: Cross multiply
    955,389.74x = 1,433,047.55 × 356,349.78
  4. Step 4: Simplify right side
    955,389.74x = 510,666,177,390.29
  5. Step 5: Solve for x
    x = 510,666,177,390.29/955,389.74
  6. Step 6: Final answer
    x = 534,510.85

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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.