Home / 531,377.84-795,942.66-429,739.76

Finding the Fourth Proportional to 531,377.84, 795,942.66 and 429,739.76

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Solution

The fourth proportional to 531,377.84, 795,942.66 and 429,739.76 is: 643,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,377.84 : 795,942.66 = 429,739.76 : x
  2. Step 2: Convert to fraction form
    531,377.84/795,942.66 = 429,739.76/x
  3. Step 3: Cross multiply
    531,377.84x = 795,942.66 × 429,739.76
  4. Step 4: Simplify right side
    531,377.84x = 342,048,207,682.16
  5. Step 5: Solve for x
    x = 342,048,207,682.16/531,377.84
  6. Step 6: Final answer
    x = 643,700.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.