Home / 808,036.95-1,209,061.49-647,626.36

Finding the Fourth Proportional to 808,036.95, 1,209,061.49 and 647,626.36

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Solution

The fourth proportional to 808,036.95, 1,209,061.49 and 647,626.36 is: 969,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,036.95 : 1,209,061.49 = 647,626.36 : x
  2. Step 2: Convert to fraction form
    808,036.95/1,209,061.49 = 647,626.36/x
  3. Step 3: Cross multiply
    808,036.95x = 1,209,061.49 × 647,626.36
  4. Step 4: Simplify right side
    808,036.95x = 783,020,084,390.60
  5. Step 5: Solve for x
    x = 783,020,084,390.60/808,036.95
  6. Step 6: Final answer
    x = 969,039.95

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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.