Home / 724,638.91-1,087,188-565,261.30

Finding the Fourth Proportional to 724,638.91, 1,087,188 and 565,261.30

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Solution

The fourth proportional to 724,638.91, 1,087,188 and 565,261.30 is: 848,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,638.91 : 1,087,188 = 565,261.30 : x
  2. Step 2: Convert to fraction form
    724,638.91/1,087,188 = 565,261.30/x
  3. Step 3: Cross multiply
    724,638.91x = 1,087,188 × 565,261.30
  4. Step 4: Simplify right side
    724,638.91x = 614,545,302,224.40
  5. Step 5: Solve for x
    x = 614,545,302,224.40/724,638.91
  6. Step 6: Final answer
    x = 848,071.08

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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.