Home / 705,520.20-1,058,397.02-326,819.40

Finding the Fourth Proportional to 705,520.20, 1,058,397.02 and 326,819.40

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Solution

The fourth proportional to 705,520.20, 1,058,397.02 and 326,819.40 is: 490,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,520.20 : 1,058,397.02 = 326,819.40 : x
  2. Step 2: Convert to fraction form
    705,520.20/1,058,397.02 = 326,819.40/x
  3. Step 3: Cross multiply
    705,520.20x = 1,058,397.02 × 326,819.40
  4. Step 4: Simplify right side
    705,520.20x = 345,904,679,038.19
  5. Step 5: Solve for x
    x = 345,904,679,038.19/705,520.20
  6. Step 6: Final answer
    x = 490,283.17

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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.