Home / 695,153.40-1,042,730.10-295,807.20

Finding the Fourth Proportional to 695,153.40, 1,042,730.10 and 295,807.20

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Solution

The fourth proportional to 695,153.40, 1,042,730.10 and 295,807.20 is: 443,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,153.40 : 1,042,730.10 = 295,807.20 : x
  2. Step 2: Convert to fraction form
    695,153.40/1,042,730.10 = 295,807.20/x
  3. Step 3: Cross multiply
    695,153.40x = 1,042,730.10 × 295,807.20
  4. Step 4: Simplify right side
    695,153.40x = 308,447,071,236.72
  5. Step 5: Solve for x
    x = 308,447,071,236.72/695,153.40
  6. Step 6: Final answer
    x = 443,710.80

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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.