Home / 705,512.20-1,058,385.02-326,811.40

Finding the Fourth Proportional to 705,512.20, 1,058,385.02 and 326,811.40

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Solution

The fourth proportional to 705,512.20, 1,058,385.02 and 326,811.40 is: 490,271.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,512.20 : 1,058,385.02 = 326,811.40 : x
  2. Step 2: Convert to fraction form
    705,512.20/1,058,385.02 = 326,811.40/x
  3. Step 3: Cross multiply
    705,512.20x = 1,058,385.02 × 326,811.40
  4. Step 4: Simplify right side
    705,512.20x = 345,892,290,125.23
  5. Step 5: Solve for x
    x = 345,892,290,125.23/705,512.20
  6. Step 6: Final answer
    x = 490,271.17

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Double scale
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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.