Home / 385,276.20-577,914.30-346,007.40

Finding the Fourth Proportional to 385,276.20, 577,914.30 and 346,007.40

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Solution

The fourth proportional to 385,276.20, 577,914.30 and 346,007.40 is: 519,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,276.20 : 577,914.30 = 346,007.40 : x
  2. Step 2: Convert to fraction form
    385,276.20/577,914.30 = 346,007.40/x
  3. Step 3: Cross multiply
    385,276.20x = 577,914.30 × 346,007.40
  4. Step 4: Simplify right side
    385,276.20x = 199,962,624,365.82
  5. Step 5: Solve for x
    x = 199,962,624,365.82/385,276.20
  6. Step 6: Final answer
    x = 519,011.10

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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.