Home / 912,262.14-1,368,465.75-272,518.92

Finding the Fourth Proportional to 912,262.14, 1,368,465.75 and 272,518.92

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Solution

The fourth proportional to 912,262.14, 1,368,465.75 and 272,518.92 is: 408,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,262.14 : 1,368,465.75 = 272,518.92 : x
  2. Step 2: Convert to fraction form
    912,262.14/1,368,465.75 = 272,518.92/x
  3. Step 3: Cross multiply
    912,262.14x = 1,368,465.75 × 272,518.92
  4. Step 4: Simplify right side
    912,262.14x = 372,932,808,246.99
  5. Step 5: Solve for x
    x = 372,932,808,246.99/912,262.14
  6. Step 6: Final answer
    x = 408,800.05

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1.5x scale

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.