Home / 730,197.48-1,007,652.84-399,040.32

Finding the Fourth Proportional to 730,197.48, 1,007,652.84 and 399,040.32

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Solution

The fourth proportional to 730,197.48, 1,007,652.84 and 399,040.32 is: 550,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,197.48 : 1,007,652.84 = 399,040.32 : x
  2. Step 2: Convert to fraction form
    730,197.48/1,007,652.84 = 399,040.32/x
  3. Step 3: Cross multiply
    730,197.48x = 1,007,652.84 × 399,040.32
  4. Step 4: Simplify right side
    730,197.48x = 402,094,111,722.51
  5. Step 5: Solve for x
    x = 402,094,111,722.51/730,197.48
  6. Step 6: Final answer
    x = 550,664.89

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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.