Home / 854,355.32-1,178,920.12-472,320.44

Finding the Fourth Proportional to 854,355.32, 1,178,920.12 and 472,320.44

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Solution

The fourth proportional to 854,355.32, 1,178,920.12 and 472,320.44 is: 651,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,355.32 : 1,178,920.12 = 472,320.44 : x
  2. Step 2: Convert to fraction form
    854,355.32/1,178,920.12 = 472,320.44/x
  3. Step 3: Cross multiply
    854,355.32x = 1,178,920.12 × 472,320.44
  4. Step 4: Simplify right side
    854,355.32x = 556,828,069,803.25
  5. Step 5: Solve for x
    x = 556,828,069,803.25/854,355.32
  6. Step 6: Final answer
    x = 651,752.33

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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.