Home / 660,444.04-911,416.34-374,019.88

Finding the Fourth Proportional to 660,444.04, 911,416.34 and 374,019.88

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Solution

The fourth proportional to 660,444.04, 911,416.34 and 374,019.88 is: 516,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,444.04 : 911,416.34 = 374,019.88 : x
  2. Step 2: Convert to fraction form
    660,444.04/911,416.34 = 374,019.88/x
  3. Step 3: Cross multiply
    660,444.04x = 911,416.34 × 374,019.88
  4. Step 4: Simplify right side
    660,444.04x = 340,887,830,116.84
  5. Step 5: Solve for x
    x = 340,887,830,116.84/660,444.04
  6. Step 6: Final answer
    x = 516,149.45

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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.