Home / 868,212.60-1,300,569.30-584,777.40

Finding the Fourth Proportional to 868,212.60, 1,300,569.30 and 584,777.40

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Solution

The fourth proportional to 868,212.60, 1,300,569.30 and 584,777.40 is: 875,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,212.60 : 1,300,569.30 = 584,777.40 : x
  2. Step 2: Convert to fraction form
    868,212.60/1,300,569.30 = 584,777.40/x
  3. Step 3: Cross multiply
    868,212.60x = 1,300,569.30 × 584,777.40
  4. Step 4: Simplify right side
    868,212.60x = 760,543,533,773.82
  5. Step 5: Solve for x
    x = 760,543,533,773.82/868,212.60
  6. Step 6: Final answer
    x = 875,987.67

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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.