Home / 558,950.19-771,346.40-304,300.77

Finding the Fourth Proportional to 558,950.19, 771,346.40 and 304,300.77

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Solution

The fourth proportional to 558,950.19, 771,346.40 and 304,300.77 is: 419,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,950.19 : 771,346.40 = 304,300.77 : x
  2. Step 2: Convert to fraction form
    558,950.19/771,346.40 = 304,300.77/x
  3. Step 3: Cross multiply
    558,950.19x = 771,346.40 × 304,300.77
  4. Step 4: Simplify right side
    558,950.19x = 234,721,301,935.22
  5. Step 5: Solve for x
    x = 234,721,301,935.22/558,950.19
  6. Step 6: Final answer
    x = 419,932.41

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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.