Home / 648,001.80-972,002.70-585,016.20

Finding the Fourth Proportional to 648,001.80, 972,002.70 and 585,016.20

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Solution

The fourth proportional to 648,001.80, 972,002.70 and 585,016.20 is: 877,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,001.80 : 972,002.70 = 585,016.20 : x
  2. Step 2: Convert to fraction form
    648,001.80/972,002.70 = 585,016.20/x
  3. Step 3: Cross multiply
    648,001.80x = 972,002.70 × 585,016.20
  4. Step 4: Simplify right side
    648,001.80x = 568,637,325,943.74
  5. Step 5: Solve for x
    x = 568,637,325,943.74/648,001.80
  6. Step 6: Final answer
    x = 877,524.30

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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.