Home / 868,929.80-1,303,394.70-533,006.60

Finding the Fourth Proportional to 868,929.80, 1,303,394.70 and 533,006.60

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Solution

The fourth proportional to 868,929.80, 1,303,394.70 and 533,006.60 is: 799,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,929.80 : 1,303,394.70 = 533,006.60 : x
  2. Step 2: Convert to fraction form
    868,929.80/1,303,394.70 = 533,006.60/x
  3. Step 3: Cross multiply
    868,929.80x = 1,303,394.70 × 533,006.60
  4. Step 4: Simplify right side
    868,929.80x = 694,717,977,505.02
  5. Step 5: Solve for x
    x = 694,717,977,505.02/868,929.80
  6. Step 6: Final answer
    x = 799,509.90

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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.