Home / 709,624.80-1,064,109.15-310,059.90

Finding the Fourth Proportional to 709,624.80, 1,064,109.15 and 310,059.90

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Solution

The fourth proportional to 709,624.80, 1,064,109.15 and 310,059.90 is: 464,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,624.80 : 1,064,109.15 = 310,059.90 : x
  2. Step 2: Convert to fraction form
    709,624.80/1,064,109.15 = 310,059.90/x
  3. Step 3: Cross multiply
    709,624.80x = 1,064,109.15 × 310,059.90
  4. Step 4: Simplify right side
    709,624.80x = 329,937,576,638.09
  5. Step 5: Solve for x
    x = 329,937,576,638.09/709,624.80
  6. Step 6: Final answer
    x = 464,946.51

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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.