Home / 909,127.95-1,363,473.23-278,047.23

Finding the Fourth Proportional to 909,127.95, 1,363,473.23 and 278,047.23

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Solution

The fourth proportional to 909,127.95, 1,363,473.23 and 278,047.23 is: 417,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,127.95 : 1,363,473.23 = 278,047.23 : x
  2. Step 2: Convert to fraction form
    909,127.95/1,363,473.23 = 278,047.23/x
  3. Step 3: Cross multiply
    909,127.95x = 1,363,473.23 × 278,047.23
  4. Step 4: Simplify right side
    909,127.95x = 379,109,953,390.42
  5. Step 5: Solve for x
    x = 379,109,953,390.42/909,127.95
  6. Step 6: Final answer
    x = 417,003.96

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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.