Home / 626,318.16-864,543.20-371,669.32

Finding the Fourth Proportional to 626,318.16, 864,543.20 and 371,669.32

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Solution

The fourth proportional to 626,318.16, 864,543.20 and 371,669.32 is: 513,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,318.16 : 864,543.20 = 371,669.32 : x
  2. Step 2: Convert to fraction form
    626,318.16/864,543.20 = 371,669.32/x
  3. Step 3: Cross multiply
    626,318.16x = 864,543.20 × 371,669.32
  4. Step 4: Simplify right side
    626,318.16x = 321,324,183,254.62
  5. Step 5: Solve for x
    x = 321,324,183,254.62/626,318.16
  6. Step 6: Final answer
    x = 513,036.67

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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.