Home / 706,537.95-1,060,256.47-257,215.15

Finding the Fourth Proportional to 706,537.95, 1,060,256.47 and 257,215.15

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Solution

The fourth proportional to 706,537.95, 1,060,256.47 and 257,215.15 is: 385,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,537.95 : 1,060,256.47 = 257,215.15 : x
  2. Step 2: Convert to fraction form
    706,537.95/1,060,256.47 = 257,215.15/x
  3. Step 3: Cross multiply
    706,537.95x = 1,060,256.47 × 257,215.15
  4. Step 4: Simplify right side
    706,537.95x = 272,714,026,969.52
  5. Step 5: Solve for x
    x = 272,714,026,969.52/706,537.95
  6. Step 6: Final answer
    x = 385,986.38

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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.