Home / 709,750.40-1,064,722.80-236,386.40

Finding the Fourth Proportional to 709,750.40, 1,064,722.80 and 236,386.40

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Solution

The fourth proportional to 709,750.40, 1,064,722.80 and 236,386.40 is: 354,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,750.40 : 1,064,722.80 = 236,386.40 : x
  2. Step 2: Convert to fraction form
    709,750.40/1,064,722.80 = 236,386.40/x
  3. Step 3: Cross multiply
    709,750.40x = 1,064,722.80 × 236,386.40
  4. Step 4: Simplify right side
    709,750.40x = 251,685,989,689.92
  5. Step 5: Solve for x
    x = 251,685,989,689.92/709,750.40
  6. Step 6: Final answer
    x = 354,611.97

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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.