Home / 778,353.72-1,167,530.58-357,983.16

Finding the Fourth Proportional to 778,353.72, 1,167,530.58 and 357,983.16

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Solution

The fourth proportional to 778,353.72, 1,167,530.58 and 357,983.16 is: 536,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,353.72 : 1,167,530.58 = 357,983.16 : x
  2. Step 2: Convert to fraction form
    778,353.72/1,167,530.58 = 357,983.16/x
  3. Step 3: Cross multiply
    778,353.72x = 1,167,530.58 × 357,983.16
  4. Step 4: Simplify right side
    778,353.72x = 417,956,286,425.03
  5. Step 5: Solve for x
    x = 417,956,286,425.03/778,353.72
  6. Step 6: Final answer
    x = 536,974.74

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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.