Home / 851,784.60-1,276,802.10-496,615.80

Finding the Fourth Proportional to 851,784.60, 1,276,802.10 and 496,615.80

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Solution

The fourth proportional to 851,784.60, 1,276,802.10 and 496,615.80 is: 744,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,784.60 : 1,276,802.10 = 496,615.80 : x
  2. Step 2: Convert to fraction form
    851,784.60/1,276,802.10 = 496,615.80/x
  3. Step 3: Cross multiply
    851,784.60x = 1,276,802.10 × 496,615.80
  4. Step 4: Simplify right side
    851,784.60x = 634,080,096,333.18
  5. Step 5: Solve for x
    x = 634,080,096,333.18/851,784.60
  6. Step 6: Final answer
    x = 744,413.67

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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.