Home / 876,384.40-1,314,619.80-456,480.40

Finding the Fourth Proportional to 876,384.40, 1,314,619.80 and 456,480.40

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Solution

The fourth proportional to 876,384.40, 1,314,619.80 and 456,480.40 is: 684,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,384.40 : 1,314,619.80 = 456,480.40 : x
  2. Step 2: Convert to fraction form
    876,384.40/1,314,619.80 = 456,480.40/x
  3. Step 3: Cross multiply
    876,384.40x = 1,314,619.80 × 456,480.40
  4. Step 4: Simplify right side
    876,384.40x = 600,098,172,151.92
  5. Step 5: Solve for x
    x = 600,098,172,151.92/876,384.40
  6. Step 6: Final answer
    x = 684,743.10

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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.