Home / 692,035.78-1,037,683.68-354,938.90

Finding the Fourth Proportional to 692,035.78, 1,037,683.68 and 354,938.90

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Solution

The fourth proportional to 692,035.78, 1,037,683.68 and 354,938.90 is: 532,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,035.78 : 1,037,683.68 = 354,938.90 : x
  2. Step 2: Convert to fraction form
    692,035.78/1,037,683.68 = 354,938.90/x
  3. Step 3: Cross multiply
    692,035.78x = 1,037,683.68 × 354,938.90
  4. Step 4: Simplify right side
    692,035.78x = 368,314,303,927.15
  5. Step 5: Solve for x
    x = 368,314,303,927.15/692,035.78
  6. Step 6: Final answer
    x = 532,218.59

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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.