Home / 828,497.76-1,143,316.02-465,921.52

Finding the Fourth Proportional to 828,497.76, 1,143,316.02 and 465,921.52

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Solution

The fourth proportional to 828,497.76, 1,143,316.02 and 465,921.52 is: 642,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,497.76 : 1,143,316.02 = 465,921.52 : x
  2. Step 2: Convert to fraction form
    828,497.76/1,143,316.02 = 465,921.52/x
  3. Step 3: Cross multiply
    828,497.76x = 1,143,316.02 × 465,921.52
  4. Step 4: Simplify right side
    828,497.76x = 532,695,537,878.75
  5. Step 5: Solve for x
    x = 532,695,537,878.75/828,497.76
  6. Step 6: Final answer
    x = 642,965.57

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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.