Home / 875,346.75-1,313,020.13-210,498.75

Finding the Fourth Proportional to 875,346.75, 1,313,020.13 and 210,498.75

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Solution

The fourth proportional to 875,346.75, 1,313,020.13 and 210,498.75 is: 315,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,346.75 : 1,313,020.13 = 210,498.75 : x
  2. Step 2: Convert to fraction form
    875,346.75/1,313,020.13 = 210,498.75/x
  3. Step 3: Cross multiply
    875,346.75x = 1,313,020.13 × 210,498.75
  4. Step 4: Simplify right side
    875,346.75x = 276,389,095,037.34
  5. Step 5: Solve for x
    x = 276,389,095,037.34/875,346.75
  6. Step 6: Final answer
    x = 315,748.13

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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.