Home / 840,299.10-1,159,577.61-458,303.10

Finding the Fourth Proportional to 840,299.10, 1,159,577.61 and 458,303.10

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Solution

The fourth proportional to 840,299.10, 1,159,577.61 and 458,303.10 is: 632,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,299.10 : 1,159,577.61 = 458,303.10 : x
  2. Step 2: Convert to fraction form
    840,299.10/1,159,577.61 = 458,303.10/x
  3. Step 3: Cross multiply
    840,299.10x = 1,159,577.61 × 458,303.10
  4. Step 4: Simplify right side
    840,299.10x = 531,438,013,353.59
  5. Step 5: Solve for x
    x = 531,438,013,353.59/840,299.10
  6. Step 6: Final answer
    x = 632,439.11

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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.