Home / 774,611.61-1,068,975.14-425,784.32

Finding the Fourth Proportional to 774,611.61, 1,068,975.14 and 425,784.32

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Solution

The fourth proportional to 774,611.61, 1,068,975.14 and 425,784.32 is: 587,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,611.61 : 1,068,975.14 = 425,784.32 : x
  2. Step 2: Convert to fraction form
    774,611.61/1,068,975.14 = 425,784.32/x
  3. Step 3: Cross multiply
    774,611.61x = 1,068,975.14 × 425,784.32
  4. Step 4: Simplify right side
    774,611.61x = 455,152,853,081.81
  5. Step 5: Solve for x
    x = 455,152,853,081.81/774,611.61
  6. Step 6: Final answer
    x = 587,588.47

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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.