Home / 830,625.18-1,146,263.45-448,652.27

Finding the Fourth Proportional to 830,625.18, 1,146,263.45 and 448,652.27

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Solution

The fourth proportional to 830,625.18, 1,146,263.45 and 448,652.27 is: 619,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,625.18 : 1,146,263.45 = 448,652.27 : x
  2. Step 2: Convert to fraction form
    830,625.18/1,146,263.45 = 448,652.27/x
  3. Step 3: Cross multiply
    830,625.18x = 1,146,263.45 × 448,652.27
  4. Step 4: Simplify right side
    830,625.18x = 514,273,690,885.95
  5. Step 5: Solve for x
    x = 514,273,690,885.95/830,625.18
  6. Step 6: Final answer
    x = 619,140.50

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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.