Home / 902,015.55-1,243,783.98-574,810.23

Finding the Fourth Proportional to 902,015.55, 1,243,783.98 and 574,810.23

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Solution

The fourth proportional to 902,015.55, 1,243,783.98 and 574,810.23 is: 792,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,015.55 : 1,243,783.98 = 574,810.23 : x
  2. Step 2: Convert to fraction form
    902,015.55/1,243,783.98 = 574,810.23/x
  3. Step 3: Cross multiply
    902,015.55x = 1,243,783.98 × 574,810.23
  4. Step 4: Simplify right side
    902,015.55x = 714,939,760,278.31
  5. Step 5: Solve for x
    x = 714,939,760,278.31/902,015.55
  6. Step 6: Final answer
    x = 792,602.48

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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.