Home / 745,518.54-1,028,858.82-561,427.53

Finding the Fourth Proportional to 745,518.54, 1,028,858.82 and 561,427.53

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Solution

The fourth proportional to 745,518.54, 1,028,858.82 and 561,427.53 is: 774,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,518.54 : 1,028,858.82 = 561,427.53 : x
  2. Step 2: Convert to fraction form
    745,518.54/1,028,858.82 = 561,427.53/x
  3. Step 3: Cross multiply
    745,518.54x = 1,028,858.82 × 561,427.53
  4. Step 4: Simplify right side
    745,518.54x = 577,629,666,031.32
  5. Step 5: Solve for x
    x = 577,629,666,031.32/745,518.54
  6. Step 6: Final answer
    x = 774,802.55

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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.