Home / 706,412.40-1,059,618.60-306,985.20

Finding the Fourth Proportional to 706,412.40, 1,059,618.60 and 306,985.20

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Solution

The fourth proportional to 706,412.40, 1,059,618.60 and 306,985.20 is: 460,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,412.40 : 1,059,618.60 = 306,985.20 : x
  2. Step 2: Convert to fraction form
    706,412.40/1,059,618.60 = 306,985.20/x
  3. Step 3: Cross multiply
    706,412.40x = 1,059,618.60 × 306,985.20
  4. Step 4: Simplify right side
    706,412.40x = 325,287,227,844.72
  5. Step 5: Solve for x
    x = 325,287,227,844.72/706,412.40
  6. Step 6: Final answer
    x = 460,477.80

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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.