Home / 689,914.85-1,035,044.46-240,642.18

Finding the Fourth Proportional to 689,914.85, 1,035,044.46 and 240,642.18

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Solution

The fourth proportional to 689,914.85, 1,035,044.46 and 240,642.18 is: 361,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,914.85 : 1,035,044.46 = 240,642.18 : x
  2. Step 2: Convert to fraction form
    689,914.85/1,035,044.46 = 240,642.18/x
  3. Step 3: Cross multiply
    689,914.85x = 1,035,044.46 × 240,642.18
  4. Step 4: Simplify right side
    689,914.85x = 249,075,355,251.32
  5. Step 5: Solve for x
    x = 249,075,355,251.32/689,914.85
  6. Step 6: Final answer
    x = 361,023.33

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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.