Home / 869,295.40-1,303,943.10-587,285.80

Finding the Fourth Proportional to 869,295.40, 1,303,943.10 and 587,285.80

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Solution

The fourth proportional to 869,295.40, 1,303,943.10 and 587,285.80 is: 880,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,295.40 : 1,303,943.10 = 587,285.80 : x
  2. Step 2: Convert to fraction form
    869,295.40/1,303,943.10 = 587,285.80/x
  3. Step 3: Cross multiply
    869,295.40x = 1,303,943.10 × 587,285.80
  4. Step 4: Simplify right side
    869,295.40x = 765,787,266,637.98
  5. Step 5: Solve for x
    x = 765,787,266,637.98/869,295.40
  6. Step 6: Final answer
    x = 880,928.70

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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.