Home / 691,811.84-954,630.40-510,622.72

Finding the Fourth Proportional to 691,811.84, 954,630.40 and 510,622.72

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Solution

The fourth proportional to 691,811.84, 954,630.40 and 510,622.72 is: 704,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,811.84 : 954,630.40 = 510,622.72 : x
  2. Step 2: Convert to fraction form
    691,811.84/954,630.40 = 510,622.72/x
  3. Step 3: Cross multiply
    691,811.84x = 954,630.40 × 510,622.72
  4. Step 4: Simplify right side
    691,811.84x = 487,455,971,442.69
  5. Step 5: Solve for x
    x = 487,455,971,442.69/691,811.84
  6. Step 6: Final answer
    x = 704,607.73

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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.