Home / 868,346.40-1,302,519.60-584,911.20

Finding the Fourth Proportional to 868,346.40, 1,302,519.60 and 584,911.20

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Solution

The fourth proportional to 868,346.40, 1,302,519.60 and 584,911.20 is: 877,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,346.40 : 1,302,519.60 = 584,911.20 : x
  2. Step 2: Convert to fraction form
    868,346.40/1,302,519.60 = 584,911.20/x
  3. Step 3: Cross multiply
    868,346.40x = 1,302,519.60 × 584,911.20
  4. Step 4: Simplify right side
    868,346.40x = 761,858,302,259.52
  5. Step 5: Solve for x
    x = 761,858,302,259.52/868,346.40
  6. Step 6: Final answer
    x = 877,366.80

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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.