Home / 838,729.60-1,258,094.40-651,875.20

Finding the Fourth Proportional to 838,729.60, 1,258,094.40 and 651,875.20

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Solution

The fourth proportional to 838,729.60, 1,258,094.40 and 651,875.20 is: 977,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,729.60 : 1,258,094.40 = 651,875.20 : x
  2. Step 2: Convert to fraction form
    838,729.60/1,258,094.40 = 651,875.20/x
  3. Step 3: Cross multiply
    838,729.60x = 1,258,094.40 × 651,875.20
  4. Step 4: Simplify right side
    838,729.60x = 820,120,538,618.88
  5. Step 5: Solve for x
    x = 820,120,538,618.88/838,729.60
  6. Step 6: Final answer
    x = 977,812.80

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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.