Home / 756,430.32-1,134,521.40-307,133.04

Finding the Fourth Proportional to 756,430.32, 1,134,521.40 and 307,133.04

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Solution

The fourth proportional to 756,430.32, 1,134,521.40 and 307,133.04 is: 460,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,430.32 : 1,134,521.40 = 307,133.04 : x
  2. Step 2: Convert to fraction form
    756,430.32/1,134,521.40 = 307,133.04/x
  3. Step 3: Cross multiply
    756,430.32x = 1,134,521.40 × 307,133.04
  4. Step 4: Simplify right side
    756,430.32x = 348,449,006,527.06
  5. Step 5: Solve for x
    x = 348,449,006,527.06/756,430.32
  6. Step 6: Final answer
    x = 460,649.18

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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.