Home / 570,140.67-786,799.68-315,491.25

Finding the Fourth Proportional to 570,140.67, 786,799.68 and 315,491.25

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Solution

The fourth proportional to 570,140.67, 786,799.68 and 315,491.25 is: 435,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,140.67 : 786,799.68 = 315,491.25 : x
  2. Step 2: Convert to fraction form
    570,140.67/786,799.68 = 315,491.25/x
  3. Step 3: Cross multiply
    570,140.67x = 786,799.68 × 315,491.25
  4. Step 4: Simplify right side
    570,140.67x = 248,228,414,542.80
  5. Step 5: Solve for x
    x = 248,228,414,542.80/570,140.67
  6. Step 6: Final answer
    x = 435,381.00

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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.