Home / 788,270.31-1,087,813.01-425,694.15

Finding the Fourth Proportional to 788,270.31, 1,087,813.01 and 425,694.15

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Solution

The fourth proportional to 788,270.31, 1,087,813.01 and 425,694.15 is: 587,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,270.31 : 1,087,813.01 = 425,694.15 : x
  2. Step 2: Convert to fraction form
    788,270.31/1,087,813.01 = 425,694.15/x
  3. Step 3: Cross multiply
    788,270.31x = 1,087,813.01 × 425,694.15
  4. Step 4: Simplify right side
    788,270.31x = 463,075,635,715.13
  5. Step 5: Solve for x
    x = 463,075,635,715.13/788,270.31
  6. Step 6: Final answer
    x = 587,457.92

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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.