Home / 674,339.28-1,011,654.72-358,750.32

Finding the Fourth Proportional to 674,339.28, 1,011,654.72 and 358,750.32

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Solution

The fourth proportional to 674,339.28, 1,011,654.72 and 358,750.32 is: 538,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,339.28 : 1,011,654.72 = 358,750.32 : x
  2. Step 2: Convert to fraction form
    674,339.28/1,011,654.72 = 358,750.32/x
  3. Step 3: Cross multiply
    674,339.28x = 1,011,654.72 × 358,750.32
  4. Step 4: Simplify right side
    674,339.28x = 362,931,454,529.51
  5. Step 5: Solve for x
    x = 362,931,454,529.51/674,339.28
  6. Step 6: Final answer
    x = 538,203.05

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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.