Home / 717,783.90-1,076,675.85-646,925.10

Finding the Fourth Proportional to 717,783.90, 1,076,675.85 and 646,925.10

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Solution

The fourth proportional to 717,783.90, 1,076,675.85 and 646,925.10 is: 970,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,783.90 : 1,076,675.85 = 646,925.10 : x
  2. Step 2: Convert to fraction form
    717,783.90/1,076,675.85 = 646,925.10/x
  3. Step 3: Cross multiply
    717,783.90x = 1,076,675.85 × 646,925.10
  4. Step 4: Simplify right side
    717,783.90x = 696,528,631,928.84
  5. Step 5: Solve for x
    x = 696,528,631,928.84/717,783.90
  6. Step 6: Final answer
    x = 970,387.65

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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.