Home / 710,435.66-1,065,725.25-230,643.40

Finding the Fourth Proportional to 710,435.66, 1,065,725.25 and 230,643.40

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Solution

The fourth proportional to 710,435.66, 1,065,725.25 and 230,643.40 is: 345,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,435.66 : 1,065,725.25 = 230,643.40 : x
  2. Step 2: Convert to fraction form
    710,435.66/1,065,725.25 = 230,643.40/x
  3. Step 3: Cross multiply
    710,435.66x = 1,065,725.25 × 230,643.40
  4. Step 4: Simplify right side
    710,435.66x = 245,802,494,892.23
  5. Step 5: Solve for x
    x = 245,802,494,892.23/710,435.66
  6. Step 6: Final answer
    x = 345,988.40

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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.