Home / 776,320.20-1,071,245.70-436,781.16

Finding the Fourth Proportional to 776,320.20, 1,071,245.70 and 436,781.16

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Solution

The fourth proportional to 776,320.20, 1,071,245.70 and 436,781.16 is: 602,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,320.20 : 1,071,245.70 = 436,781.16 : x
  2. Step 2: Convert to fraction form
    776,320.20/1,071,245.70 = 436,781.16/x
  3. Step 3: Cross multiply
    776,320.20x = 1,071,245.70 × 436,781.16
  4. Step 4: Simplify right side
    776,320.20x = 467,899,939,491.01
  5. Step 5: Solve for x
    x = 467,899,939,491.01/776,320.20
  6. Step 6: Final answer
    x = 602,715.14

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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.