Home / 558,952.40-771,368.18-304,317.56

Finding the Fourth Proportional to 558,952.40, 771,368.18 and 304,317.56

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Solution

The fourth proportional to 558,952.40, 771,368.18 and 304,317.56 is: 419,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,952.40 : 771,368.18 = 304,317.56 : x
  2. Step 2: Convert to fraction form
    558,952.40/771,368.18 = 304,317.56/x
  3. Step 3: Cross multiply
    558,952.40x = 771,368.18 × 304,317.56
  4. Step 4: Simplify right side
    558,952.40x = 234,740,877,020.81
  5. Step 5: Solve for x
    x = 234,740,877,020.81/558,952.40
  6. Step 6: Final answer
    x = 419,965.78

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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.