Home / 875,539.80-1,312,337.70-342,883.80

Finding the Fourth Proportional to 875,539.80, 1,312,337.70 and 342,883.80

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Solution

The fourth proportional to 875,539.80, 1,312,337.70 and 342,883.80 is: 513,945.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,539.80 : 1,312,337.70 = 342,883.80 : x
  2. Step 2: Convert to fraction form
    875,539.80/1,312,337.70 = 342,883.80/x
  3. Step 3: Cross multiply
    875,539.80x = 1,312,337.70 × 342,883.80
  4. Step 4: Simplify right side
    875,539.80x = 449,979,337,459.26
  5. Step 5: Solve for x
    x = 449,979,337,459.26/875,539.80
  6. Step 6: Final answer
    x = 513,945.04

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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.