Home / 840,458.36-1,159,887.36-477,915.92

Finding the Fourth Proportional to 840,458.36, 1,159,887.36 and 477,915.92

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Solution

The fourth proportional to 840,458.36, 1,159,887.36 and 477,915.92 is: 659,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,458.36 : 1,159,887.36 = 477,915.92 : x
  2. Step 2: Convert to fraction form
    840,458.36/1,159,887.36 = 477,915.92/x
  3. Step 3: Cross multiply
    840,458.36x = 1,159,887.36 × 477,915.92
  4. Step 4: Simplify right side
    840,458.36x = 554,328,634,750.77
  5. Step 5: Solve for x
    x = 554,328,634,750.77/840,458.36
  6. Step 6: Final answer
    x = 659,555.14

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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.