Home / 854,547.40-1,281,821.10-355,846.60

Finding the Fourth Proportional to 854,547.40, 1,281,821.10 and 355,846.60

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Solution

The fourth proportional to 854,547.40, 1,281,821.10 and 355,846.60 is: 533,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,547.40 : 1,281,821.10 = 355,846.60 : x
  2. Step 2: Convert to fraction form
    854,547.40/1,281,821.10 = 355,846.60/x
  3. Step 3: Cross multiply
    854,547.40x = 1,281,821.10 × 355,846.60
  4. Step 4: Simplify right side
    854,547.40x = 456,131,680,243.26
  5. Step 5: Solve for x
    x = 456,131,680,243.26/854,547.40
  6. Step 6: Final answer
    x = 533,769.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.