Home / 855,632.98-1,180,787.43-468,441.86

Finding the Fourth Proportional to 855,632.98, 1,180,787.43 and 468,441.86

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Solution

The fourth proportional to 855,632.98, 1,180,787.43 and 468,441.86 is: 646,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,632.98 : 1,180,787.43 = 468,441.86 : x
  2. Step 2: Convert to fraction form
    855,632.98/1,180,787.43 = 468,441.86/x
  3. Step 3: Cross multiply
    855,632.98x = 1,180,787.43 × 468,441.86
  4. Step 4: Simplify right side
    855,632.98x = 553,130,264,682.45
  5. Step 5: Solve for x
    x = 553,130,264,682.45/855,632.98
  6. Step 6: Final answer
    x = 646,457.39

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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.