Home / 818,947.13-1,130,013.99-474,715.89

Finding the Fourth Proportional to 818,947.13, 1,130,013.99 and 474,715.89

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Solution

The fourth proportional to 818,947.13, 1,130,013.99 and 474,715.89 is: 655,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,947.13 : 1,130,013.99 = 474,715.89 : x
  2. Step 2: Convert to fraction form
    818,947.13/1,130,013.99 = 474,715.89/x
  3. Step 3: Cross multiply
    818,947.13x = 1,130,013.99 × 474,715.89
  4. Step 4: Simplify right side
    818,947.13x = 536,435,596,975.30
  5. Step 5: Solve for x
    x = 536,435,596,975.30/818,947.13
  6. Step 6: Final answer
    x = 655,030.81

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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.