Home / 788,296.95-1,087,849.74-425,720.82

Finding the Fourth Proportional to 788,296.95, 1,087,849.74 and 425,720.82

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Solution

The fourth proportional to 788,296.95, 1,087,849.74 and 425,720.82 is: 587,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,296.95 : 1,087,849.74 = 425,720.82 : x
  2. Step 2: Convert to fraction form
    788,296.95/1,087,849.74 = 425,720.82/x
  3. Step 3: Cross multiply
    788,296.95x = 1,087,849.74 × 425,720.82
  4. Step 4: Simplify right side
    788,296.95x = 463,120,283,349.59
  5. Step 5: Solve for x
    x = 463,120,283,349.59/788,296.95
  6. Step 6: Final answer
    x = 587,494.70

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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.