Home / 528,726.42-729,400.77-367,964.82

Finding the Fourth Proportional to 528,726.42, 729,400.77 and 367,964.82

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Solution

The fourth proportional to 528,726.42, 729,400.77 and 367,964.82 is: 507,623.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,726.42 : 729,400.77 = 367,964.82 : x
  2. Step 2: Convert to fraction form
    528,726.42/729,400.77 = 367,964.82/x
  3. Step 3: Cross multiply
    528,726.42x = 729,400.77 × 367,964.82
  4. Step 4: Simplify right side
    528,726.42x = 268,393,823,040.91
  5. Step 5: Solve for x
    x = 268,393,823,040.91/528,726.42
  6. Step 6: Final answer
    x = 507,623.25

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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.