Home / 790,223.04-1,186,112.16-579,260.16

Finding the Fourth Proportional to 790,223.04, 1,186,112.16 and 579,260.16

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Solution

The fourth proportional to 790,223.04, 1,186,112.16 and 579,260.16 is: 869,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,223.04 : 1,186,112.16 = 579,260.16 : x
  2. Step 2: Convert to fraction form
    790,223.04/1,186,112.16 = 579,260.16/x
  3. Step 3: Cross multiply
    790,223.04x = 1,186,112.16 × 579,260.16
  4. Step 4: Simplify right side
    790,223.04x = 687,067,519,579.55
  5. Step 5: Solve for x
    x = 687,067,519,579.55/790,223.04
  6. Step 6: Final answer
    x = 869,460.25

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1.5x scale

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.