Home / 779,903.40-1,169,855.10-247,466.10

Finding the Fourth Proportional to 779,903.40, 1,169,855.10 and 247,466.10

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Solution

The fourth proportional to 779,903.40, 1,169,855.10 and 247,466.10 is: 371,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,903.40 : 1,169,855.10 = 247,466.10 : x
  2. Step 2: Convert to fraction form
    779,903.40/1,169,855.10 = 247,466.10/x
  3. Step 3: Cross multiply
    779,903.40x = 1,169,855.10 × 247,466.10
  4. Step 4: Simplify right side
    779,903.40x = 289,499,479,162.11
  5. Step 5: Solve for x
    x = 289,499,479,162.11/779,903.40
  6. Step 6: Final answer
    x = 371,199.15

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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.