Home / 899,419.20-1,349,301.60-456,187.20

Finding the Fourth Proportional to 899,419.20, 1,349,301.60 and 456,187.20

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Solution

The fourth proportional to 899,419.20, 1,349,301.60 and 456,187.20 is: 684,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,419.20 : 1,349,301.60 = 456,187.20 : x
  2. Step 2: Convert to fraction form
    899,419.20/1,349,301.60 = 456,187.20/x
  3. Step 3: Cross multiply
    899,419.20x = 1,349,301.60 × 456,187.20
  4. Step 4: Simplify right side
    899,419.20x = 615,534,118,859.52
  5. Step 5: Solve for x
    x = 615,534,118,859.52/899,419.20
  6. Step 6: Final answer
    x = 684,368.44

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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.