Home / 937,271.40-1,405,616.37-338,154.72

Finding the Fourth Proportional to 937,271.40, 1,405,616.37 and 338,154.72

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Solution

The fourth proportional to 937,271.40, 1,405,616.37 and 338,154.72 is: 507,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,271.40 : 1,405,616.37 = 338,154.72 : x
  2. Step 2: Convert to fraction form
    937,271.40/1,405,616.37 = 338,154.72/x
  3. Step 3: Cross multiply
    937,271.40x = 1,405,616.37 × 338,154.72
  4. Step 4: Simplify right side
    937,271.40x = 475,315,810,024.77
  5. Step 5: Solve for x
    x = 475,315,810,024.77/937,271.40
  6. Step 6: Final answer
    x = 507,127.19

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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.