Home / 709,693.56-1,064,479.44-260,396.28

Finding the Fourth Proportional to 709,693.56, 1,064,479.44 and 260,396.28

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Solution

The fourth proportional to 709,693.56, 1,064,479.44 and 260,396.28 is: 390,572.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,693.56 : 1,064,479.44 = 260,396.28 : x
  2. Step 2: Convert to fraction form
    709,693.56/1,064,479.44 = 260,396.28/x
  3. Step 3: Cross multiply
    709,693.56x = 1,064,479.44 × 260,396.28
  4. Step 4: Simplify right side
    709,693.56x = 277,186,486,312.48
  5. Step 5: Solve for x
    x = 277,186,486,312.48/709,693.56
  6. Step 6: Final answer
    x = 390,572.07

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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.