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Finding the Fourth Proportional to 558,161.05, 770,253.47 and 303,510.01

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Solution

The fourth proportional to 558,161.05, 770,253.47 and 303,510.01 is: 418,839.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,161.05 : 770,253.47 = 303,510.01 : x
  2. Step 2: Convert to fraction form
    558,161.05/770,253.47 = 303,510.01/x
  3. Step 3: Cross multiply
    558,161.05x = 770,253.47 × 303,510.01
  4. Step 4: Simplify right side
    558,161.05x = 233,779,636,864.69
  5. Step 5: Solve for x
    x = 233,779,636,864.69/558,161.05
  6. Step 6: Final answer
    x = 418,839.04

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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.