Home / 563,229.40-845,087.10-326,774.20

Finding the Fourth Proportional to 563,229.40, 845,087.10 and 326,774.20

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Solution

The fourth proportional to 563,229.40, 845,087.10 and 326,774.20 is: 490,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,229.40 : 845,087.10 = 326,774.20 : x
  2. Step 2: Convert to fraction form
    563,229.40/845,087.10 = 326,774.20/x
  3. Step 3: Cross multiply
    563,229.40x = 845,087.10 × 326,774.20
  4. Step 4: Simplify right side
    563,229.40x = 276,152,661,032.82
  5. Step 5: Solve for x
    x = 276,152,661,032.82/563,229.40
  6. Step 6: Final answer
    x = 490,302.28

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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.