Home / 627,267.30-865,633.02-340,787.31

Finding the Fourth Proportional to 627,267.30, 865,633.02 and 340,787.31

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Solution

The fourth proportional to 627,267.30, 865,633.02 and 340,787.31 is: 470,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,267.30 : 865,633.02 = 340,787.31 : x
  2. Step 2: Convert to fraction form
    627,267.30/865,633.02 = 340,787.31/x
  3. Step 3: Cross multiply
    627,267.30x = 865,633.02 × 340,787.31
  4. Step 4: Simplify right side
    627,267.30x = 294,996,748,332.98
  5. Step 5: Solve for x
    x = 294,996,748,332.98/627,267.30
  6. Step 6: Final answer
    x = 470,288.74

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1.5x scale

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.