Home / 612,719.04-918,582.84-275,512.80

Finding the Fourth Proportional to 612,719.04, 918,582.84 and 275,512.80

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Solution

The fourth proportional to 612,719.04, 918,582.84 and 275,512.80 is: 413,046.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,719.04 : 918,582.84 = 275,512.80 : x
  2. Step 2: Convert to fraction form
    612,719.04/918,582.84 = 275,512.80/x
  3. Step 3: Cross multiply
    612,719.04x = 918,582.84 × 275,512.80
  4. Step 4: Simplify right side
    612,719.04x = 253,081,330,280.35
  5. Step 5: Solve for x
    x = 253,081,330,280.35/612,719.04
  6. Step 6: Final answer
    x = 413,046.30

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1.5x scale

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.