Home / 757,890.18-1,045,886.31-418,356

Finding the Fourth Proportional to 757,890.18, 1,045,886.31 and 418,356

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Solution

The fourth proportional to 757,890.18, 1,045,886.31 and 418,356 is: 577,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,890.18 : 1,045,886.31 = 418,356 : x
  2. Step 2: Convert to fraction form
    757,890.18/1,045,886.31 = 418,356/x
  3. Step 3: Cross multiply
    757,890.18x = 1,045,886.31 × 418,356
  4. Step 4: Simplify right side
    757,890.18x = 437,552,813,106.36
  5. Step 5: Solve for x
    x = 437,552,813,106.36/757,890.18
  6. Step 6: Final answer
    x = 577,330.10

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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.