Home / 705,420.30-1,058,821.65-350,834.70

Finding the Fourth Proportional to 705,420.30, 1,058,821.65 and 350,834.70

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Solution

The fourth proportional to 705,420.30, 1,058,821.65 and 350,834.70 is: 526,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,420.30 : 1,058,821.65 = 350,834.70 : x
  2. Step 2: Convert to fraction form
    705,420.30/1,058,821.65 = 350,834.70/x
  3. Step 3: Cross multiply
    705,420.30x = 1,058,821.65 × 350,834.70
  4. Step 4: Simplify right side
    705,420.30x = 371,471,375,931.26
  5. Step 5: Solve for x
    x = 371,471,375,931.26/705,420.30
  6. Step 6: Final answer
    x = 526,595.81

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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.