Home / 714,967.66-1,072,213.35-288,393.31

Finding the Fourth Proportional to 714,967.66, 1,072,213.35 and 288,393.31

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Solution

The fourth proportional to 714,967.66, 1,072,213.35 and 288,393.31 is: 432,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,967.66 : 1,072,213.35 = 288,393.31 : x
  2. Step 2: Convert to fraction form
    714,967.66/1,072,213.35 = 288,393.31/x
  3. Step 3: Cross multiply
    714,967.66x = 1,072,213.35 × 288,393.31
  4. Step 4: Simplify right side
    714,967.66x = 309,219,157,032.69
  5. Step 5: Solve for x
    x = 309,219,157,032.69/714,967.66
  6. Step 6: Final answer
    x = 432,493.91

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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.