Home / 855,705.84-1,180,829.10-468,447.07

Finding the Fourth Proportional to 855,705.84, 1,180,829.10 and 468,447.07

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Solution

The fourth proportional to 855,705.84, 1,180,829.10 and 468,447.07 is: 646,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,705.84 : 1,180,829.10 = 468,447.07 : x
  2. Step 2: Convert to fraction form
    855,705.84/1,180,829.10 = 468,447.07/x
  3. Step 3: Cross multiply
    855,705.84x = 1,180,829.10 × 468,447.07
  4. Step 4: Simplify right side
    855,705.84x = 553,155,932,065.74
  5. Step 5: Solve for x
    x = 553,155,932,065.74/855,705.84
  6. Step 6: Final answer
    x = 646,432.34

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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.