Home / 740,200.96-1,021,477.05-400,669.21

Finding the Fourth Proportional to 740,200.96, 1,021,477.05 and 400,669.21

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Solution

The fourth proportional to 740,200.96, 1,021,477.05 and 400,669.21 is: 552,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,200.96 : 1,021,477.05 = 400,669.21 : x
  2. Step 2: Convert to fraction form
    740,200.96/1,021,477.05 = 400,669.21/x
  3. Step 3: Cross multiply
    740,200.96x = 1,021,477.05 × 400,669.21
  4. Step 4: Simplify right side
    740,200.96x = 409,274,402,656.63
  5. Step 5: Solve for x
    x = 409,274,402,656.63/740,200.96
  6. Step 6: Final answer
    x = 552,923.36

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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.