Home / 852,838.49-1,176,916.82-490,333.25

Finding the Fourth Proportional to 852,838.49, 1,176,916.82 and 490,333.25

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Solution

The fourth proportional to 852,838.49, 1,176,916.82 and 490,333.25 is: 676,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,838.49 : 1,176,916.82 = 490,333.25 : x
  2. Step 2: Convert to fraction form
    852,838.49/1,176,916.82 = 490,333.25/x
  3. Step 3: Cross multiply
    852,838.49x = 1,176,916.82 × 490,333.25
  4. Step 4: Simplify right side
    852,838.49x = 577,081,440,994.02
  5. Step 5: Solve for x
    x = 577,081,440,994.02/852,838.49
  6. Step 6: Final answer
    x = 676,659.71

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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.