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Finding the Fourth Proportional to 876,350.90, 1,314,007.95 and 456,446.90

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Solution

The fourth proportional to 876,350.90, 1,314,007.95 and 456,446.90 is: 684,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,350.90 : 1,314,007.95 = 456,446.90 : x
  2. Step 2: Convert to fraction form
    876,350.90/1,314,007.95 = 456,446.90/x
  3. Step 3: Cross multiply
    876,350.90x = 1,314,007.95 × 456,446.90
  4. Step 4: Simplify right side
    876,350.90x = 599,774,855,352.86
  5. Step 5: Solve for x
    x = 599,774,855,352.86/876,350.90
  6. Step 6: Final answer
    x = 684,400.34

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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.