Home / 757,790.84-1,045,676.86-418,237.20

Finding the Fourth Proportional to 757,790.84, 1,045,676.86 and 418,237.20

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Solution

The fourth proportional to 757,790.84, 1,045,676.86 and 418,237.20 is: 577,126.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,790.84 : 1,045,676.86 = 418,237.20 : x
  2. Step 2: Convert to fraction form
    757,790.84/1,045,676.86 = 418,237.20/x
  3. Step 3: Cross multiply
    757,790.84x = 1,045,676.86 × 418,237.20
  4. Step 4: Simplify right side
    757,790.84x = 437,340,962,031.19
  5. Step 5: Solve for x
    x = 437,340,962,031.19/757,790.84
  6. Step 6: Final answer
    x = 577,126.22

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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.