Home / 714,852.60-1,072,486.44-288,168.21

Finding the Fourth Proportional to 714,852.60, 1,072,486.44 and 288,168.21

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Solution

The fourth proportional to 714,852.60, 1,072,486.44 and 288,168.21 is: 432,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,852.60 : 1,072,486.44 = 288,168.21 : x
  2. Step 2: Convert to fraction form
    714,852.60/1,072,486.44 = 288,168.21/x
  3. Step 3: Cross multiply
    714,852.60x = 1,072,486.44 × 288,168.21
  4. Step 4: Simplify right side
    714,852.60x = 309,056,497,664.07
  5. Step 5: Solve for x
    x = 309,056,497,664.07/714,852.60
  6. Step 6: Final answer
    x = 432,335.98

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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.