Home / 705,607.48-1,058,348.76-256,332.20

Finding the Fourth Proportional to 705,607.48, 1,058,348.76 and 256,332.20

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Solution

The fourth proportional to 705,607.48, 1,058,348.76 and 256,332.20 is: 384,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,607.48 : 1,058,348.76 = 256,332.20 : x
  2. Step 2: Convert to fraction form
    705,607.48/1,058,348.76 = 256,332.20/x
  3. Step 3: Cross multiply
    705,607.48x = 1,058,348.76 × 256,332.20
  4. Step 4: Simplify right side
    705,607.48x = 271,288,866,018.07
  5. Step 5: Solve for x
    x = 271,288,866,018.07/705,607.48
  6. Step 6: Final answer
    x = 384,475.61

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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.