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Finding the Fourth Proportional to 553,429.94, 762,125.29 and 480,799.67

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Solution

The fourth proportional to 553,429.94, 762,125.29 and 480,799.67 is: 662,106.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,429.94 : 762,125.29 = 480,799.67 : x
  2. Step 2: Convert to fraction form
    553,429.94/762,125.29 = 480,799.67/x
  3. Step 3: Cross multiply
    553,429.94x = 762,125.29 × 480,799.67
  4. Step 4: Simplify right side
    553,429.94x = 366,429,582,918.03
  5. Step 5: Solve for x
    x = 366,429,582,918.03/553,429.94
  6. Step 6: Final answer
    x = 662,106.55

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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.