Home / 855,686.30-1,180,800.28-468,426.82

Finding the Fourth Proportional to 855,686.30, 1,180,800.28 and 468,426.82

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Solution

The fourth proportional to 855,686.30, 1,180,800.28 and 468,426.82 is: 646,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,686.30 : 1,180,800.28 = 468,426.82 : x
  2. Step 2: Convert to fraction form
    855,686.30/1,180,800.28 = 468,426.82/x
  3. Step 3: Cross multiply
    855,686.30x = 1,180,800.28 × 468,426.82
  4. Step 4: Simplify right side
    855,686.30x = 553,118,520,215.51
  5. Step 5: Solve for x
    x = 553,118,520,215.51/855,686.30
  6. Step 6: Final answer
    x = 646,403.38

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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.