Home / 856,217.40-1,283,159.70-571,097.40

Finding the Fourth Proportional to 856,217.40, 1,283,159.70 and 571,097.40

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Solution

The fourth proportional to 856,217.40, 1,283,159.70 and 571,097.40 is: 855,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,217.40 : 1,283,159.70 = 571,097.40 : x
  2. Step 2: Convert to fraction form
    856,217.40/1,283,159.70 = 571,097.40/x
  3. Step 3: Cross multiply
    856,217.40x = 1,283,159.70 × 571,097.40
  4. Step 4: Simplify right side
    856,217.40x = 732,809,168,454.78
  5. Step 5: Solve for x
    x = 732,809,168,454.78/856,217.40
  6. Step 6: Final answer
    x = 855,868.11

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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.