Home / 872,840.04-1,204,500.31-505,332.66

Finding the Fourth Proportional to 872,840.04, 1,204,500.31 and 505,332.66

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Solution

The fourth proportional to 872,840.04, 1,204,500.31 and 505,332.66 is: 697,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,840.04 : 1,204,500.31 = 505,332.66 : x
  2. Step 2: Convert to fraction form
    872,840.04/1,204,500.31 = 505,332.66/x
  3. Step 3: Cross multiply
    872,840.04x = 1,204,500.31 × 505,332.66
  4. Step 4: Simplify right side
    872,840.04x = 608,673,345,623.13
  5. Step 5: Solve for x
    x = 608,673,345,623.13/872,840.04
  6. Step 6: Final answer
    x = 697,348.10

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1.5x scale

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.