Home / 718,782.93-1,078,060.05-238,970.84

Finding the Fourth Proportional to 718,782.93, 1,078,060.05 and 238,970.84

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Solution

The fourth proportional to 718,782.93, 1,078,060.05 and 238,970.84 is: 358,418.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,782.93 : 1,078,060.05 = 238,970.84 : x
  2. Step 2: Convert to fraction form
    718,782.93/1,078,060.05 = 238,970.84/x
  3. Step 3: Cross multiply
    718,782.93x = 1,078,060.05 × 238,970.84
  4. Step 4: Simplify right side
    718,782.93x = 257,624,910,328.64
  5. Step 5: Solve for x
    x = 257,624,910,328.64/718,782.93
  6. Step 6: Final answer
    x = 358,418.24

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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.