Home / 717,459.30-1,076,123.34-218,823.30

Finding the Fourth Proportional to 717,459.30, 1,076,123.34 and 218,823.30

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Solution

The fourth proportional to 717,459.30, 1,076,123.34 and 218,823.30 is: 328,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,459.30 : 1,076,123.34 = 218,823.30 : x
  2. Step 2: Convert to fraction form
    717,459.30/1,076,123.34 = 218,823.30/x
  3. Step 3: Cross multiply
    717,459.30x = 1,076,123.34 × 218,823.30
  4. Step 4: Simplify right side
    717,459.30x = 235,480,860,465.82
  5. Step 5: Solve for x
    x = 235,480,860,465.82/717,459.30
  6. Step 6: Final answer
    x = 328,214.94

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1.5x scale

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.