Home / 440,416.19-660,152.03-288,555.93

Finding the Fourth Proportional to 440,416.19, 660,152.03 and 288,555.93

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Solution

The fourth proportional to 440,416.19, 660,152.03 and 288,555.93 is: 432,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,416.19 : 660,152.03 = 288,555.93 : x
  2. Step 2: Convert to fraction form
    440,416.19/660,152.03 = 288,555.93/x
  3. Step 3: Cross multiply
    440,416.19x = 660,152.03 × 288,555.93
  4. Step 4: Simplify right side
    440,416.19x = 190,490,781,515.26
  5. Step 5: Solve for x
    x = 190,490,781,515.26/440,416.19
  6. Step 6: Final answer
    x = 432,524.47

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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.