Home / 875,233.40-1,312,331.70-455,329.40

Finding the Fourth Proportional to 875,233.40, 1,312,331.70 and 455,329.40

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Solution

The fourth proportional to 875,233.40, 1,312,331.70 and 455,329.40 is: 682,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,233.40 : 1,312,331.70 = 455,329.40 : x
  2. Step 2: Convert to fraction form
    875,233.40/1,312,331.70 = 455,329.40/x
  3. Step 3: Cross multiply
    875,233.40x = 1,312,331.70 × 455,329.40
  4. Step 4: Simplify right side
    875,233.40x = 597,543,205,561.98
  5. Step 5: Solve for x
    x = 597,543,205,561.98/875,233.40
  6. Step 6: Final answer
    x = 682,724.41

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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.