Home / 757,341.75-1,045,131.55-417,810

Finding the Fourth Proportional to 757,341.75, 1,045,131.55 and 417,810

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Solution

The fourth proportional to 757,341.75, 1,045,131.55 and 417,810 is: 576,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,341.75 : 1,045,131.55 = 417,810 : x
  2. Step 2: Convert to fraction form
    757,341.75/1,045,131.55 = 417,810/x
  3. Step 3: Cross multiply
    757,341.75x = 1,045,131.55 × 417,810
  4. Step 4: Simplify right side
    757,341.75x = 436,666,412,905.50
  5. Step 5: Solve for x
    x = 436,666,412,905.50/757,341.75
  6. Step 6: Final answer
    x = 576,577.76

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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.