Home / 740,946.89-1,022,507.75-401,415.14

Finding the Fourth Proportional to 740,946.89, 1,022,507.75 and 401,415.14

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Solution

The fourth proportional to 740,946.89, 1,022,507.75 and 401,415.14 is: 553,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,946.89 : 1,022,507.75 = 401,415.14 : x
  2. Step 2: Convert to fraction form
    740,946.89/1,022,507.75 = 401,415.14/x
  3. Step 3: Cross multiply
    740,946.89x = 1,022,507.75 × 401,415.14
  4. Step 4: Simplify right side
    740,946.89x = 410,450,095,177.14
  5. Step 5: Solve for x
    x = 410,450,095,177.14/740,946.89
  6. Step 6: Final answer
    x = 553,953.46

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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.