Home / 839,002.79-1,157,817.95-457,029.57

Finding the Fourth Proportional to 839,002.79, 1,157,817.95 and 457,029.57

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Solution

The fourth proportional to 839,002.79, 1,157,817.95 and 457,029.57 is: 630,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,002.79 : 1,157,817.95 = 457,029.57 : x
  2. Step 2: Convert to fraction form
    839,002.79/1,157,817.95 = 457,029.57/x
  3. Step 3: Cross multiply
    839,002.79x = 1,157,817.95 × 457,029.57
  4. Step 4: Simplify right side
    839,002.79x = 529,157,043,597.31
  5. Step 5: Solve for x
    x = 529,157,043,597.31/839,002.79
  6. Step 6: Final answer
    x = 630,697.60

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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.