Home / 850,870.74-1,276,542.90-371,140.50

Finding the Fourth Proportional to 850,870.74, 1,276,542.90 and 371,140.50

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Solution

The fourth proportional to 850,870.74, 1,276,542.90 and 371,140.50 is: 556,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,870.74 : 1,276,542.90 = 371,140.50 : x
  2. Step 2: Convert to fraction form
    850,870.74/1,276,542.90 = 371,140.50/x
  3. Step 3: Cross multiply
    850,870.74x = 1,276,542.90 × 371,140.50
  4. Step 4: Simplify right side
    850,870.74x = 473,776,770,177.45
  5. Step 5: Solve for x
    x = 473,776,770,177.45/850,870.74
  6. Step 6: Final answer
    x = 556,814.04

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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.