Home / 718,329.60-1,076,803.20-558,316.80

Finding the Fourth Proportional to 718,329.60, 1,076,803.20 and 558,316.80

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Solution

The fourth proportional to 718,329.60, 1,076,803.20 and 558,316.80 is: 836,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,329.60 : 1,076,803.20 = 558,316.80 : x
  2. Step 2: Convert to fraction form
    718,329.60/1,076,803.20 = 558,316.80/x
  3. Step 3: Cross multiply
    718,329.60x = 1,076,803.20 × 558,316.80
  4. Step 4: Simplify right side
    718,329.60x = 601,197,316,853.76
  5. Step 5: Solve for x
    x = 601,197,316,853.76/718,329.60
  6. Step 6: Final answer
    x = 836,937.97

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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.