Home / 706,309.70-1,060,130.36-257,464.40

Finding the Fourth Proportional to 706,309.70, 1,060,130.36 and 257,464.40

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Solution

The fourth proportional to 706,309.70, 1,060,130.36 and 257,464.40 is: 386,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,309.70 : 1,060,130.36 = 257,464.40 : x
  2. Step 2: Convert to fraction form
    706,309.70/1,060,130.36 = 257,464.40/x
  3. Step 3: Cross multiply
    706,309.70x = 1,060,130.36 × 257,464.40
  4. Step 4: Simplify right side
    706,309.70x = 272,945,822,402.19
  5. Step 5: Solve for x
    x = 272,945,822,402.19/706,309.70
  6. Step 6: Final answer
    x = 386,439.30

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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.