Home / 692,123.78-1,036,309.69-358,999.94

Finding the Fourth Proportional to 692,123.78, 1,036,309.69 and 358,999.94

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Solution

The fourth proportional to 692,123.78, 1,036,309.69 and 358,999.94 is: 537,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,123.78 : 1,036,309.69 = 358,999.94 : x
  2. Step 2: Convert to fraction form
    692,123.78/1,036,309.69 = 358,999.94/x
  3. Step 3: Cross multiply
    692,123.78x = 1,036,309.69 × 358,999.94
  4. Step 4: Simplify right side
    692,123.78x = 372,035,116,531.42
  5. Step 5: Solve for x
    x = 372,035,116,531.42/692,123.78
  6. Step 6: Final answer
    x = 537,526.85

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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.