Home / 690,935.64-1,036,206.63-437,834.13

Finding the Fourth Proportional to 690,935.64, 1,036,206.63 and 437,834.13

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Solution

The fourth proportional to 690,935.64, 1,036,206.63 and 437,834.13 is: 656,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,935.64 : 1,036,206.63 = 437,834.13 : x
  2. Step 2: Convert to fraction form
    690,935.64/1,036,206.63 = 437,834.13/x
  3. Step 3: Cross multiply
    690,935.64x = 1,036,206.63 × 437,834.13
  4. Step 4: Simplify right side
    690,935.64x = 453,686,628,346.28
  5. Step 5: Solve for x
    x = 453,686,628,346.28/690,935.64
  6. Step 6: Final answer
    x = 656,626.47

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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.