Home / 875,721.04-1,313,758.80-370,281.19

Finding the Fourth Proportional to 875,721.04, 1,313,758.80 and 370,281.19

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Solution

The fourth proportional to 875,721.04, 1,313,758.80 and 370,281.19 is: 555,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,721.04 : 1,313,758.80 = 370,281.19 : x
  2. Step 2: Convert to fraction form
    875,721.04/1,313,758.80 = 370,281.19/x
  3. Step 3: Cross multiply
    875,721.04x = 1,313,758.80 × 370,281.19
  4. Step 4: Simplify right side
    875,721.04x = 486,460,171,836.97
  5. Step 5: Solve for x
    x = 486,460,171,836.97/875,721.04
  6. Step 6: Final answer
    x = 555,496.73

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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.