Home / 908,117.20-1,362,467.40-402,482.80

Finding the Fourth Proportional to 908,117.20, 1,362,467.40 and 402,482.80

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Solution

The fourth proportional to 908,117.20, 1,362,467.40 and 402,482.80 is: 603,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,117.20 : 1,362,467.40 = 402,482.80 : x
  2. Step 2: Convert to fraction form
    908,117.20/1,362,467.40 = 402,482.80/x
  3. Step 3: Cross multiply
    908,117.20x = 1,362,467.40 × 402,482.80
  4. Step 4: Simplify right side
    908,117.20x = 548,369,694,060.72
  5. Step 5: Solve for x
    x = 548,369,694,060.72/908,117.20
  6. Step 6: Final answer
    x = 603,853.44

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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.