Home / 757,486.85-1,045,335.44-417,955.10

Finding the Fourth Proportional to 757,486.85, 1,045,335.44 and 417,955.10

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Solution

The fourth proportional to 757,486.85, 1,045,335.44 and 417,955.10 is: 576,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,486.85 : 1,045,335.44 = 417,955.10 : x
  2. Step 2: Convert to fraction form
    757,486.85/1,045,335.44 = 417,955.10/x
  3. Step 3: Cross multiply
    757,486.85x = 1,045,335.44 × 417,955.10
  4. Step 4: Simplify right side
    757,486.85x = 436,903,274,176.96
  5. Step 5: Solve for x
    x = 436,903,274,176.96/757,486.85
  6. Step 6: Final answer
    x = 576,780.02

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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.