Home / 689,762.10-1,034,643.54-191,126.10

Finding the Fourth Proportional to 689,762.10, 1,034,643.54 and 191,126.10

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Solution

The fourth proportional to 689,762.10, 1,034,643.54 and 191,126.10 is: 286,689.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,762.10 : 1,034,643.54 = 191,126.10 : x
  2. Step 2: Convert to fraction form
    689,762.10/1,034,643.54 = 191,126.10/x
  3. Step 3: Cross multiply
    689,762.10x = 1,034,643.54 × 191,126.10
  4. Step 4: Simplify right side
    689,762.10x = 197,747,384,690.39
  5. Step 5: Solve for x
    x = 197,747,384,690.39/689,762.10
  6. Step 6: Final answer
    x = 286,689.26

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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.