Home / 786,870.48-1,181,486.70-450,291.18

Finding the Fourth Proportional to 786,870.48, 1,181,486.70 and 450,291.18

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Solution

The fourth proportional to 786,870.48, 1,181,486.70 and 450,291.18 is: 676,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,870.48 : 1,181,486.70 = 450,291.18 : x
  2. Step 2: Convert to fraction form
    786,870.48/1,181,486.70 = 450,291.18/x
  3. Step 3: Cross multiply
    786,870.48x = 1,181,486.70 × 450,291.18
  4. Step 4: Simplify right side
    786,870.48x = 532,013,040,297.31
  5. Step 5: Solve for x
    x = 532,013,040,297.31/786,870.48
  6. Step 6: Final answer
    x = 676,112.59

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Double scale
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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.