Home / 585,009.40-877,514.10-304,490.20

Finding the Fourth Proportional to 585,009.40, 877,514.10 and 304,490.20

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Solution

The fourth proportional to 585,009.40, 877,514.10 and 304,490.20 is: 456,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,009.40 : 877,514.10 = 304,490.20 : x
  2. Step 2: Convert to fraction form
    585,009.40/877,514.10 = 304,490.20/x
  3. Step 3: Cross multiply
    585,009.40x = 877,514.10 × 304,490.20
  4. Step 4: Simplify right side
    585,009.40x = 267,194,443,811.82
  5. Step 5: Solve for x
    x = 267,194,443,811.82/585,009.40
  6. Step 6: Final answer
    x = 456,735.30

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Double scale
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Similar ratio
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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.