Home / 776,687.13-1,071,760.01-432,497.07

Finding the Fourth Proportional to 776,687.13, 1,071,760.01 and 432,497.07

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Solution

The fourth proportional to 776,687.13, 1,071,760.01 and 432,497.07 is: 596,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,687.13 : 1,071,760.01 = 432,497.07 : x
  2. Step 2: Convert to fraction form
    776,687.13/1,071,760.01 = 432,497.07/x
  3. Step 3: Cross multiply
    776,687.13x = 1,071,760.01 × 432,497.07
  4. Step 4: Simplify right side
    776,687.13x = 463,533,061,905.69
  5. Step 5: Solve for x
    x = 463,533,061,905.69/776,687.13
  6. Step 6: Final answer
    x = 596,807.96

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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.