Home / 774,755.70-1,162,133.55-459,827.70

Finding the Fourth Proportional to 774,755.70, 1,162,133.55 and 459,827.70

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Solution

The fourth proportional to 774,755.70, 1,162,133.55 and 459,827.70 is: 689,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,755.70 : 1,162,133.55 = 459,827.70 : x
  2. Step 2: Convert to fraction form
    774,755.70/1,162,133.55 = 459,827.70/x
  3. Step 3: Cross multiply
    774,755.70x = 1,162,133.55 × 459,827.70
  4. Step 4: Simplify right side
    774,755.70x = 534,381,197,389.34
  5. Step 5: Solve for x
    x = 534,381,197,389.34/774,755.70
  6. Step 6: Final answer
    x = 689,741.55

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1.5x scale

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.