Home / 658,416.72-986,309.64-302,943.36

Finding the Fourth Proportional to 658,416.72, 986,309.64 and 302,943.36

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Solution

The fourth proportional to 658,416.72, 986,309.64 and 302,943.36 is: 453,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,416.72 : 986,309.64 = 302,943.36 : x
  2. Step 2: Convert to fraction form
    658,416.72/986,309.64 = 302,943.36/x
  3. Step 3: Cross multiply
    658,416.72x = 986,309.64 × 302,943.36
  4. Step 4: Simplify right side
    658,416.72x = 298,795,956,341.99
  5. Step 5: Solve for x
    x = 298,795,956,341.99/658,416.72
  6. Step 6: Final answer
    x = 453,809.79

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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.