Home / 882,928.80-1,218,381.84-480,512.16

Finding the Fourth Proportional to 882,928.80, 1,218,381.84 and 480,512.16

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Solution

The fourth proportional to 882,928.80, 1,218,381.84 and 480,512.16 is: 663,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,928.80 : 1,218,381.84 = 480,512.16 : x
  2. Step 2: Convert to fraction form
    882,928.80/1,218,381.84 = 480,512.16/x
  3. Step 3: Cross multiply
    882,928.80x = 1,218,381.84 × 480,512.16
  4. Step 4: Simplify right side
    882,928.80x = 585,447,289,643.18
  5. Step 5: Solve for x
    x = 585,447,289,643.18/882,928.80
  6. Step 6: Final answer
    x = 663,074.18

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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.