Home / 745,459.02-1,028,776.75-561,368.03

Finding the Fourth Proportional to 745,459.02, 1,028,776.75 and 561,368.03

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Solution

The fourth proportional to 745,459.02, 1,028,776.75 and 561,368.03 is: 774,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,459.02 : 1,028,776.75 = 561,368.03 : x
  2. Step 2: Convert to fraction form
    745,459.02/1,028,776.75 = 561,368.03/x
  3. Step 3: Cross multiply
    745,459.02x = 1,028,776.75 × 561,368.03
  4. Step 4: Simplify right side
    745,459.02x = 577,522,370,910.00
  5. Step 5: Solve for x
    x = 577,522,370,910.00/745,459.02
  6. Step 6: Final answer
    x = 774,720.48

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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.