Home / 840,442.96-1,159,866.10-477,900.56

Finding the Fourth Proportional to 840,442.96, 1,159,866.10 and 477,900.56

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Solution

The fourth proportional to 840,442.96, 1,159,866.10 and 477,900.56 is: 659,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,442.96 : 1,159,866.10 = 477,900.56 : x
  2. Step 2: Convert to fraction form
    840,442.96/1,159,866.10 = 477,900.56/x
  3. Step 3: Cross multiply
    840,442.96x = 1,159,866.10 × 477,900.56
  4. Step 4: Simplify right side
    840,442.96x = 554,300,658,715.02
  5. Step 5: Solve for x
    x = 554,300,658,715.02/840,442.96
  6. Step 6: Final answer
    x = 659,533.94

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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.