Home / 876,205.40-1,314,308.10-477,624.65

Finding the Fourth Proportional to 876,205.40, 1,314,308.10 and 477,624.65

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Solution

The fourth proportional to 876,205.40, 1,314,308.10 and 477,624.65 is: 716,436.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,205.40 : 1,314,308.10 = 477,624.65 : x
  2. Step 2: Convert to fraction form
    876,205.40/1,314,308.10 = 477,624.65/x
  3. Step 3: Cross multiply
    876,205.40x = 1,314,308.10 × 477,624.65
  4. Step 4: Simplify right side
    876,205.40x = 627,745,946,254.67
  5. Step 5: Solve for x
    x = 627,745,946,254.67/876,205.40
  6. Step 6: Final answer
    x = 716,436.98

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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.