Home / 698,756.64-1,047,823.16-486,885.84

Finding the Fourth Proportional to 698,756.64, 1,047,823.16 and 486,885.84

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Solution

The fourth proportional to 698,756.64, 1,047,823.16 and 486,885.84 is: 730,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,756.64 : 1,047,823.16 = 486,885.84 : x
  2. Step 2: Convert to fraction form
    698,756.64/1,047,823.16 = 486,885.84/x
  3. Step 3: Cross multiply
    698,756.64x = 1,047,823.16 × 486,885.84
  4. Step 4: Simplify right side
    698,756.64x = 510,170,256,993.63
  5. Step 5: Solve for x
    x = 510,170,256,993.63/698,756.64
  6. Step 6: Final answer
    x = 730,111.50

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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.