Home / 707,272.55-1,060,269.12-257,888.31

Finding the Fourth Proportional to 707,272.55, 1,060,269.12 and 257,888.31

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Solution

The fourth proportional to 707,272.55, 1,060,269.12 and 257,888.31 is: 386,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,272.55 : 1,060,269.12 = 257,888.31 : x
  2. Step 2: Convert to fraction form
    707,272.55/1,060,269.12 = 257,888.31/x
  3. Step 3: Cross multiply
    707,272.55x = 1,060,269.12 × 257,888.31
  4. Step 4: Simplify right side
    707,272.55x = 273,431,011,501.99
  5. Step 5: Solve for x
    x = 273,431,011,501.99/707,272.55
  6. Step 6: Final answer
    x = 386,599.22

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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.