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Finding the Fourth Proportional to 659,816.07, 910,551.03 and 358,010.07

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Solution

The fourth proportional to 659,816.07, 910,551.03 and 358,010.07 is: 494,056.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,816.07 : 910,551.03 = 358,010.07 : x
  2. Step 2: Convert to fraction form
    659,816.07/910,551.03 = 358,010.07/x
  3. Step 3: Cross multiply
    659,816.07x = 910,551.03 × 358,010.07
  4. Step 4: Simplify right side
    659,816.07x = 325,986,437,988.87
  5. Step 5: Solve for x
    x = 325,986,437,988.87/659,816.07
  6. Step 6: Final answer
    x = 494,056.53

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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.