Home / 749,876.07-1,124,808.69-300,590.40

Finding the Fourth Proportional to 749,876.07, 1,124,808.69 and 300,590.40

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Solution

The fourth proportional to 749,876.07, 1,124,808.69 and 300,590.40 is: 450,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,876.07 : 1,124,808.69 = 300,590.40 : x
  2. Step 2: Convert to fraction form
    749,876.07/1,124,808.69 = 300,590.40/x
  3. Step 3: Cross multiply
    749,876.07x = 1,124,808.69 × 300,590.40
  4. Step 4: Simplify right side
    749,876.07x = 338,106,694,050.58
  5. Step 5: Solve for x
    x = 338,106,694,050.58/749,876.07
  6. Step 6: Final answer
    x = 450,883.43

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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.