Home / 862,322.16-1,190,041.40-480,349.20

Finding the Fourth Proportional to 862,322.16, 1,190,041.40 and 480,349.20

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Solution

The fourth proportional to 862,322.16, 1,190,041.40 and 480,349.20 is: 662,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,322.16 : 1,190,041.40 = 480,349.20 : x
  2. Step 2: Convert to fraction form
    862,322.16/1,190,041.40 = 480,349.20/x
  3. Step 3: Cross multiply
    862,322.16x = 1,190,041.40 × 480,349.20
  4. Step 4: Simplify right side
    862,322.16x = 571,635,434,456.88
  5. Step 5: Solve for x
    x = 571,635,434,456.88/862,322.16
  6. Step 6: Final answer
    x = 662,902.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.