Home / 918,574.22-1,374,913.34-491,041.24

Finding the Fourth Proportional to 918,574.22, 1,374,913.34 and 491,041.24

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Solution

The fourth proportional to 918,574.22, 1,374,913.34 and 491,041.24 is: 734,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,574.22 : 1,374,913.34 = 491,041.24 : x
  2. Step 2: Convert to fraction form
    918,574.22/1,374,913.34 = 491,041.24/x
  3. Step 3: Cross multiply
    918,574.22x = 1,374,913.34 × 491,041.24
  4. Step 4: Simplify right side
    918,574.22x = 675,139,147,315.06
  5. Step 5: Solve for x
    x = 675,139,147,315.06/918,574.22
  6. Step 6: Final answer
    x = 734,985.95

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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.