Home / 869,244.10-1,301,101.35-620,412.10

Finding the Fourth Proportional to 869,244.10, 1,301,101.35 and 620,412.10

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Solution

The fourth proportional to 869,244.10, 1,301,101.35 and 620,412.10 is: 928,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,244.10 : 1,301,101.35 = 620,412.10 : x
  2. Step 2: Convert to fraction form
    869,244.10/1,301,101.35 = 620,412.10/x
  3. Step 3: Cross multiply
    869,244.10x = 1,301,101.35 × 620,412.10
  4. Step 4: Simplify right side
    869,244.10x = 807,219,020,866.34
  5. Step 5: Solve for x
    x = 807,219,020,866.34/869,244.10
  6. Step 6: Final answer
    x = 928,644.81

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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.