Home / 834,647.53-1,151,447.77-490,328.07

Finding the Fourth Proportional to 834,647.53, 1,151,447.77 and 490,328.07

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Solution

The fourth proportional to 834,647.53, 1,151,447.77 and 490,328.07 is: 676,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,647.53 : 1,151,447.77 = 490,328.07 : x
  2. Step 2: Convert to fraction form
    834,647.53/1,151,447.77 = 490,328.07/x
  3. Step 3: Cross multiply
    834,647.53x = 1,151,447.77 × 490,328.07
  4. Step 4: Simplify right side
    834,647.53x = 564,587,164,422.70
  5. Step 5: Solve for x
    x = 564,587,164,422.70/834,647.53
  6. Step 6: Final answer
    x = 676,437.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.