Home / 828,145.52-1,142,881.36-465,683.48

Finding the Fourth Proportional to 828,145.52, 1,142,881.36 and 465,683.48

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Solution

The fourth proportional to 828,145.52, 1,142,881.36 and 465,683.48 is: 642,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,145.52 : 1,142,881.36 = 465,683.48 : x
  2. Step 2: Convert to fraction form
    828,145.52/1,142,881.36 = 465,683.48/x
  3. Step 3: Cross multiply
    828,145.52x = 1,142,881.36 × 465,683.48
  4. Step 4: Simplify right side
    828,145.52x = 532,220,968,951.93
  5. Step 5: Solve for x
    x = 532,220,968,951.93/828,145.52
  6. Step 6: Final answer
    x = 642,666.00

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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.