Home / 788,271.46-1,087,814.61-425,695.30

Finding the Fourth Proportional to 788,271.46, 1,087,814.61 and 425,695.30

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Solution

The fourth proportional to 788,271.46, 1,087,814.61 and 425,695.30 is: 587,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,271.46 : 1,087,814.61 = 425,695.30 : x
  2. Step 2: Convert to fraction form
    788,271.46/1,087,814.61 = 425,695.30/x
  3. Step 3: Cross multiply
    788,271.46x = 1,087,814.61 × 425,695.30
  4. Step 4: Simplify right side
    788,271.46x = 463,077,561,309.26
  5. Step 5: Solve for x
    x = 463,077,561,309.26/788,271.46
  6. Step 6: Final answer
    x = 587,459.50

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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.