Home / 713,538.81-1,068,208.70-476,293.05

Finding the Fourth Proportional to 713,538.81, 1,068,208.70 and 476,293.05

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Solution

The fourth proportional to 713,538.81, 1,068,208.70 and 476,293.05 is: 713,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,538.81 : 1,068,208.70 = 476,293.05 : x
  2. Step 2: Convert to fraction form
    713,538.81/1,068,208.70 = 476,293.05/x
  3. Step 3: Cross multiply
    713,538.81x = 1,068,208.70 × 476,293.05
  4. Step 4: Simplify right side
    713,538.81x = 508,780,377,378.07
  5. Step 5: Solve for x
    x = 508,780,377,378.07/713,538.81
  6. Step 6: Final answer
    x = 713,038.13

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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.