Home / 828,573.32-1,242,851.67-288,828.52

Finding the Fourth Proportional to 828,573.32, 1,242,851.67 and 288,828.52

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Solution

The fourth proportional to 828,573.32, 1,242,851.67 and 288,828.52 is: 433,239.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,573.32 : 1,242,851.67 = 288,828.52 : x
  2. Step 2: Convert to fraction form
    828,573.32/1,242,851.67 = 288,828.52/x
  3. Step 3: Cross multiply
    828,573.32x = 1,242,851.67 × 288,828.52
  4. Step 4: Simplify right side
    828,573.32x = 358,971,005,318.50
  5. Step 5: Solve for x
    x = 358,971,005,318.50/828,573.32
  6. Step 6: Final answer
    x = 433,239.88

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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.