Home / 705,420.80-1,058,822.40-350,835.20

Finding the Fourth Proportional to 705,420.80, 1,058,822.40 and 350,835.20

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Solution

The fourth proportional to 705,420.80, 1,058,822.40 and 350,835.20 is: 526,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,420.80 : 1,058,822.40 = 350,835.20 : x
  2. Step 2: Convert to fraction form
    705,420.80/1,058,822.40 = 350,835.20/x
  3. Step 3: Cross multiply
    705,420.80x = 1,058,822.40 × 350,835.20
  4. Step 4: Simplify right side
    705,420.80x = 371,472,168,468.48
  5. Step 5: Solve for x
    x = 371,472,168,468.48/705,420.80
  6. Step 6: Final answer
    x = 526,596.56

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1.5x scale

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.