Home / 852,762.92-1,176,678.75-490,116.76

Finding the Fourth Proportional to 852,762.92, 1,176,678.75 and 490,116.76

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Solution

The fourth proportional to 852,762.92, 1,176,678.75 and 490,116.76 is: 676,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,762.92 : 1,176,678.75 = 490,116.76 : x
  2. Step 2: Convert to fraction form
    852,762.92/1,176,678.75 = 490,116.76/x
  3. Step 3: Cross multiply
    852,762.92x = 1,176,678.75 × 490,116.76
  4. Step 4: Simplify right side
    852,762.92x = 576,709,976,510.85
  5. Step 5: Solve for x
    x = 576,709,976,510.85/852,762.92
  6. Step 6: Final answer
    x = 676,284.07

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Double scale
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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.