Home / 918,002.60-1,266,818.40-510,093.96

Finding the Fourth Proportional to 918,002.60, 1,266,818.40 and 510,093.96

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Solution

The fourth proportional to 918,002.60, 1,266,818.40 and 510,093.96 is: 703,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,002.60 : 1,266,818.40 = 510,093.96 : x
  2. Step 2: Convert to fraction form
    918,002.60/1,266,818.40 = 510,093.96/x
  3. Step 3: Cross multiply
    918,002.60x = 1,266,818.40 × 510,093.96
  4. Step 4: Simplify right side
    918,002.60x = 646,196,414,256.86
  5. Step 5: Solve for x
    x = 646,196,414,256.86/918,002.60
  6. Step 6: Final answer
    x = 703,915.67

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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.