Home / 875,260.40-1,312,574.64-369,860.40

Finding the Fourth Proportional to 875,260.40, 1,312,574.64 and 369,860.40

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Solution

The fourth proportional to 875,260.40, 1,312,574.64 and 369,860.40 is: 554,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,260.40 : 1,312,574.64 = 369,860.40 : x
  2. Step 2: Convert to fraction form
    875,260.40/1,312,574.64 = 369,860.40/x
  3. Step 3: Cross multiply
    875,260.40x = 1,312,574.64 × 369,860.40
  4. Step 4: Simplify right side
    875,260.40x = 485,469,381,380.26
  5. Step 5: Solve for x
    x = 485,469,381,380.26/875,260.40
  6. Step 6: Final answer
    x = 554,657.09

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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.