Home / 875,303.47-1,312,299.10-370,456.39

Finding the Fourth Proportional to 875,303.47, 1,312,299.10 and 370,456.39

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Solution

The fourth proportional to 875,303.47, 1,312,299.10 and 370,456.39 is: 555,406.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,303.47 : 1,312,299.10 = 370,456.39 : x
  2. Step 2: Convert to fraction form
    875,303.47/1,312,299.10 = 370,456.39/x
  3. Step 3: Cross multiply
    875,303.47x = 1,312,299.10 × 370,456.39
  4. Step 4: Simplify right side
    875,303.47x = 486,149,587,186.25
  5. Step 5: Solve for x
    x = 486,149,587,186.25/875,303.47
  6. Step 6: Final answer
    x = 555,406.90

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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.