Home / 804,952.30-1,207,428.45-525,016.30

Finding the Fourth Proportional to 804,952.30, 1,207,428.45 and 525,016.30

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Solution

The fourth proportional to 804,952.30, 1,207,428.45 and 525,016.30 is: 787,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,952.30 : 1,207,428.45 = 525,016.30 : x
  2. Step 2: Convert to fraction form
    804,952.30/1,207,428.45 = 525,016.30/x
  3. Step 3: Cross multiply
    804,952.30x = 1,207,428.45 × 525,016.30
  4. Step 4: Simplify right side
    804,952.30x = 633,919,617,333.74
  5. Step 5: Solve for x
    x = 633,919,617,333.74/804,952.30
  6. Step 6: Final answer
    x = 787,524.45

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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.