Home / 712,705.92-1,068,870.56-308,039.24

Finding the Fourth Proportional to 712,705.92, 1,068,870.56 and 308,039.24

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Solution

The fourth proportional to 712,705.92, 1,068,870.56 and 308,039.24 is: 461,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,705.92 : 1,068,870.56 = 308,039.24 : x
  2. Step 2: Convert to fraction form
    712,705.92/1,068,870.56 = 308,039.24/x
  3. Step 3: Cross multiply
    712,705.92x = 1,068,870.56 × 308,039.24
  4. Step 4: Simplify right side
    712,705.92x = 329,254,068,076.23
  5. Step 5: Solve for x
    x = 329,254,068,076.23/712,705.92
  6. Step 6: Final answer
    x = 461,977.46

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1.5x scale

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.