Home / 717,999.60-1,076,999.40-585,139.35

Finding the Fourth Proportional to 717,999.60, 1,076,999.40 and 585,139.35

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Solution

The fourth proportional to 717,999.60, 1,076,999.40 and 585,139.35 is: 877,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,999.60 : 1,076,999.40 = 585,139.35 : x
  2. Step 2: Convert to fraction form
    717,999.60/1,076,999.40 = 585,139.35/x
  3. Step 3: Cross multiply
    717,999.60x = 1,076,999.40 × 585,139.35
  4. Step 4: Simplify right side
    717,999.60x = 630,194,728,866.39
  5. Step 5: Solve for x
    x = 630,194,728,866.39/717,999.60
  6. Step 6: Final answer
    x = 877,709.03

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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.