Home / 448,314.38-672,340.35-369,232.46

Finding the Fourth Proportional to 448,314.38, 672,340.35 and 369,232.46

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Solution

The fourth proportional to 448,314.38, 672,340.35 and 369,232.46 is: 553,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,314.38 : 672,340.35 = 369,232.46 : x
  2. Step 2: Convert to fraction form
    448,314.38/672,340.35 = 369,232.46/x
  3. Step 3: Cross multiply
    448,314.38x = 672,340.35 × 369,232.46
  4. Step 4: Simplify right side
    448,314.38x = 248,249,881,387.76
  5. Step 5: Solve for x
    x = 248,249,881,387.76/448,314.38
  6. Step 6: Final answer
    x = 553,740.62

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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.