Home / 788,947.15-1,088,744.47-449,472.91

Finding the Fourth Proportional to 788,947.15, 1,088,744.47 and 449,472.91

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Solution

The fourth proportional to 788,947.15, 1,088,744.47 and 449,472.91 is: 620,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,947.15 : 1,088,744.47 = 449,472.91 : x
  2. Step 2: Convert to fraction form
    788,947.15/1,088,744.47 = 449,472.91/x
  3. Step 3: Cross multiply
    788,947.15x = 1,088,744.47 × 449,472.91
  4. Step 4: Simplify right side
    788,947.15x = 489,361,145,177.31
  5. Step 5: Solve for x
    x = 489,361,145,177.31/788,947.15
  6. Step 6: Final answer
    x = 620,271.14

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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.