Home / 740,002.96-1,021,204.08-400,471.28

Finding the Fourth Proportional to 740,002.96, 1,021,204.08 and 400,471.28

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Solution

The fourth proportional to 740,002.96, 1,021,204.08 and 400,471.28 is: 552,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,002.96 : 1,021,204.08 = 400,471.28 : x
  2. Step 2: Convert to fraction form
    740,002.96/1,021,204.08 = 400,471.28/x
  3. Step 3: Cross multiply
    740,002.96x = 1,021,204.08 × 400,471.28
  4. Step 4: Simplify right side
    740,002.96x = 408,962,905,058.82
  5. Step 5: Solve for x
    x = 408,962,905,058.82/740,002.96
  6. Step 6: Final answer
    x = 552,650.36

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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.