Home / 830,869.84-1,146,633.80-468,308.80

Finding the Fourth Proportional to 830,869.84, 1,146,633.80 and 468,308.80

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Solution

The fourth proportional to 830,869.84, 1,146,633.80 and 468,308.80 is: 646,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,869.84 : 1,146,633.80 = 468,308.80 : x
  2. Step 2: Convert to fraction form
    830,869.84/1,146,633.80 = 468,308.80/x
  3. Step 3: Cross multiply
    830,869.84x = 1,146,633.80 × 468,308.80
  4. Step 4: Simplify right side
    830,869.84x = 536,978,698,917.44
  5. Step 5: Solve for x
    x = 536,978,698,917.44/830,869.84
  6. Step 6: Final answer
    x = 646,284.98

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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.