Home / 822,970.40-1,135,645.79-460,332.11

Finding the Fourth Proportional to 822,970.40, 1,135,645.79 and 460,332.11

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Solution

The fourth proportional to 822,970.40, 1,135,645.79 and 460,332.11 is: 635,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,970.40 : 1,135,645.79 = 460,332.11 : x
  2. Step 2: Convert to fraction form
    822,970.40/1,135,645.79 = 460,332.11/x
  3. Step 3: Cross multiply
    822,970.40x = 1,135,645.79 × 460,332.11
  4. Step 4: Simplify right side
    822,970.40x = 522,774,223,260.77
  5. Step 5: Solve for x
    x = 522,774,223,260.77/822,970.40
  6. Step 6: Final answer
    x = 635,228.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.