Home / 442,317.63-610,047.25-287,099.23

Finding the Fourth Proportional to 442,317.63, 610,047.25 and 287,099.23

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Solution

The fourth proportional to 442,317.63, 610,047.25 and 287,099.23 is: 395,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,317.63 : 610,047.25 = 287,099.23 : x
  2. Step 2: Convert to fraction form
    442,317.63/610,047.25 = 287,099.23/x
  3. Step 3: Cross multiply
    442,317.63x = 610,047.25 × 287,099.23
  4. Step 4: Simplify right side
    442,317.63x = 175,144,097,162.81
  5. Step 5: Solve for x
    x = 175,144,097,162.81/442,317.63
  6. Step 6: Final answer
    x = 395,969.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.