Home / 706,707.36-1,060,411.32-280,234.08

Finding the Fourth Proportional to 706,707.36, 1,060,411.32 and 280,234.08

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Solution

The fourth proportional to 706,707.36, 1,060,411.32 and 280,234.08 is: 420,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,707.36 : 1,060,411.32 = 280,234.08 : x
  2. Step 2: Convert to fraction form
    706,707.36/1,060,411.32 = 280,234.08/x
  3. Step 3: Cross multiply
    706,707.36x = 1,060,411.32 × 280,234.08
  4. Step 4: Simplify right side
    706,707.36x = 297,163,390,681.79
  5. Step 5: Solve for x
    x = 297,163,390,681.79/706,707.36
  6. Step 6: Final answer
    x = 420,490.02

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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.