Home / 787,731.67-1,087,064.17-430,035.67

Finding the Fourth Proportional to 787,731.67, 1,087,064.17 and 430,035.67

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Solution

The fourth proportional to 787,731.67, 1,087,064.17 and 430,035.67 is: 593,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,731.67 : 1,087,064.17 = 430,035.67 : x
  2. Step 2: Convert to fraction form
    787,731.67/1,087,064.17 = 430,035.67/x
  3. Step 3: Cross multiply
    787,731.67x = 1,087,064.17 × 430,035.67
  4. Step 4: Simplify right side
    787,731.67x = 467,476,368,678.94
  5. Step 5: Solve for x
    x = 467,476,368,678.94/787,731.67
  6. Step 6: Final answer
    x = 593,446.20

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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.