Home / 547,921.74-756,066.52-302,873.40

Finding the Fourth Proportional to 547,921.74, 756,066.52 and 302,873.40

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Solution

The fourth proportional to 547,921.74, 756,066.52 and 302,873.40 is: 417,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,921.74 : 756,066.52 = 302,873.40 : x
  2. Step 2: Convert to fraction form
    547,921.74/756,066.52 = 302,873.40/x
  3. Step 3: Cross multiply
    547,921.74x = 756,066.52 × 302,873.40
  4. Step 4: Simplify right side
    547,921.74x = 228,992,437,538.57
  5. Step 5: Solve for x
    x = 228,992,437,538.57/547,921.74
  6. Step 6: Final answer
    x = 417,929.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.