Home / 855,411.04-1,180,363.68-492,953.68

Finding the Fourth Proportional to 855,411.04, 1,180,363.68 and 492,953.68

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Solution

The fourth proportional to 855,411.04, 1,180,363.68 and 492,953.68 is: 680,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,411.04 : 1,180,363.68 = 492,953.68 : x
  2. Step 2: Convert to fraction form
    855,411.04/1,180,363.68 = 492,953.68/x
  3. Step 3: Cross multiply
    855,411.04x = 1,180,363.68 × 492,953.68
  4. Step 4: Simplify right side
    855,411.04x = 581,864,619,794.34
  5. Step 5: Solve for x
    x = 581,864,619,794.34/855,411.04
  6. Step 6: Final answer
    x = 680,216.40

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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.