Home / 852,688.29-1,176,712.39-465,504.32

Finding the Fourth Proportional to 852,688.29, 1,176,712.39 and 465,504.32

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Solution

The fourth proportional to 852,688.29, 1,176,712.39 and 465,504.32 is: 642,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,688.29 : 1,176,712.39 = 465,504.32 : x
  2. Step 2: Convert to fraction form
    852,688.29/1,176,712.39 = 465,504.32/x
  3. Step 3: Cross multiply
    852,688.29x = 1,176,712.39 × 465,504.32
  4. Step 4: Simplify right side
    852,688.29x = 547,764,696,537.95
  5. Step 5: Solve for x
    x = 547,764,696,537.95/852,688.29
  6. Step 6: Final answer
    x = 642,397.35

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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.