Home / 438,674.02-658,273.47-402,982.18

Finding the Fourth Proportional to 438,674.02, 658,273.47 and 402,982.18

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Solution

The fourth proportional to 438,674.02, 658,273.47 and 402,982.18 is: 604,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,674.02 : 658,273.47 = 402,982.18 : x
  2. Step 2: Convert to fraction form
    438,674.02/658,273.47 = 402,982.18/x
  3. Step 3: Cross multiply
    438,674.02x = 658,273.47 × 402,982.18
  4. Step 4: Simplify right side
    438,674.02x = 265,272,477,976.77
  5. Step 5: Solve for x
    x = 265,272,477,976.77/438,674.02
  6. Step 6: Final answer
    x = 604,714.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.