Home / 875,150.80-1,312,726.06-210,302.80

Finding the Fourth Proportional to 875,150.80, 1,312,726.06 and 210,302.80

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Solution

The fourth proportional to 875,150.80, 1,312,726.06 and 210,302.80 is: 315,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,150.80 : 1,312,726.06 = 210,302.80 : x
  2. Step 2: Convert to fraction form
    875,150.80/1,312,726.06 = 210,302.80/x
  3. Step 3: Cross multiply
    875,150.80x = 1,312,726.06 × 210,302.80
  4. Step 4: Simplify right side
    875,150.80x = 276,069,966,050.97
  5. Step 5: Solve for x
    x = 276,069,966,050.97/875,150.80
  6. Step 6: Final answer
    x = 315,454.17

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Double scale
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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.