Home / 771,025.90-1,064,498.73-495,495.49

Finding the Fourth Proportional to 771,025.90, 1,064,498.73 and 495,495.49

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Solution

The fourth proportional to 771,025.90, 1,064,498.73 and 495,495.49 is: 684,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,025.90 : 1,064,498.73 = 495,495.49 : x
  2. Step 2: Convert to fraction form
    771,025.90/1,064,498.73 = 495,495.49/x
  3. Step 3: Cross multiply
    771,025.90x = 1,064,498.73 × 495,495.49
  4. Step 4: Simplify right side
    771,025.90x = 527,454,319,825.73
  5. Step 5: Solve for x
    x = 527,454,319,825.73/771,025.90
  6. Step 6: Final answer
    x = 684,094.17

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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.