Home / 875,577.80-1,312,394.70-342,921.80

Finding the Fourth Proportional to 875,577.80, 1,312,394.70 and 342,921.80

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Solution

The fourth proportional to 875,577.80, 1,312,394.70 and 342,921.80 is: 514,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,577.80 : 1,312,394.70 = 342,921.80 : x
  2. Step 2: Convert to fraction form
    875,577.80/1,312,394.70 = 342,921.80/x
  3. Step 3: Cross multiply
    875,577.80x = 1,312,394.70 × 342,921.80
  4. Step 4: Simplify right side
    875,577.80x = 450,048,752,834.46
  5. Step 5: Solve for x
    x = 450,048,752,834.46/875,577.80
  6. Step 6: Final answer
    x = 514,002.01

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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.