Home / 709,558.66-1,064,478.20-260,283.70

Finding the Fourth Proportional to 709,558.66, 1,064,478.20 and 260,283.70

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Solution

The fourth proportional to 709,558.66, 1,064,478.20 and 260,283.70 is: 390,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,558.66 : 1,064,478.20 = 260,283.70 : x
  2. Step 2: Convert to fraction form
    709,558.66/1,064,478.20 = 260,283.70/x
  3. Step 3: Cross multiply
    709,558.66x = 1,064,478.20 × 260,283.70
  4. Step 4: Simplify right side
    709,558.66x = 277,066,324,465.34
  5. Step 5: Solve for x
    x = 277,066,324,465.34/709,558.66
  6. Step 6: Final answer
    x = 390,476.98

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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.