Home / 438,619.40-658,191.58-402,927.56

Finding the Fourth Proportional to 438,619.40, 658,191.58 and 402,927.56

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Solution

The fourth proportional to 438,619.40, 658,191.58 and 402,927.56 is: 604,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,619.40 : 658,191.58 = 402,927.56 : x
  2. Step 2: Convert to fraction form
    438,619.40/658,191.58 = 402,927.56/x
  3. Step 3: Cross multiply
    438,619.40x = 658,191.58 × 402,927.56
  4. Step 4: Simplify right side
    438,619.40x = 265,203,527,341.95
  5. Step 5: Solve for x
    x = 265,203,527,341.95/438,619.40
  6. Step 6: Final answer
    x = 604,632.46

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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.