Home / 900,555.55-1,243,136.38-610,564.30

Finding the Fourth Proportional to 900,555.55, 1,243,136.38 and 610,564.30

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Solution

The fourth proportional to 900,555.55, 1,243,136.38 and 610,564.30 is: 842,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,555.55 : 1,243,136.38 = 610,564.30 : x
  2. Step 2: Convert to fraction form
    900,555.55/1,243,136.38 = 610,564.30/x
  3. Step 3: Cross multiply
    900,555.55x = 1,243,136.38 × 610,564.30
  4. Step 4: Simplify right side
    900,555.55x = 759,014,693,659.23
  5. Step 5: Solve for x
    x = 759,014,693,659.23/900,555.55
  6. Step 6: Final answer
    x = 842,829.40

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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.