Home / 540,666.18-746,066.72-298,915.65

Finding the Fourth Proportional to 540,666.18, 746,066.72 and 298,915.65

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Solution

The fourth proportional to 540,666.18, 746,066.72 and 298,915.65 is: 412,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,666.18 : 746,066.72 = 298,915.65 : x
  2. Step 2: Convert to fraction form
    540,666.18/746,066.72 = 298,915.65/x
  3. Step 3: Cross multiply
    540,666.18x = 746,066.72 × 298,915.65
  4. Step 4: Simplify right side
    540,666.18x = 223,011,019,299.46
  5. Step 5: Solve for x
    x = 223,011,019,299.46/540,666.18
  6. Step 6: Final answer
    x = 412,474.51

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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.