Home / 776,431.30-1,164,683.40-243,969.70

Finding the Fourth Proportional to 776,431.30, 1,164,683.40 and 243,969.70

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Solution

The fourth proportional to 776,431.30, 1,164,683.40 and 243,969.70 is: 365,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,431.30 : 1,164,683.40 = 243,969.70 : x
  2. Step 2: Convert to fraction form
    776,431.30/1,164,683.40 = 243,969.70/x
  3. Step 3: Cross multiply
    776,431.30x = 1,164,683.40 × 243,969.70
  4. Step 4: Simplify right side
    776,431.30x = 284,147,459,692.98
  5. Step 5: Solve for x
    x = 284,147,459,692.98/776,431.30
  6. Step 6: Final answer
    x = 365,966.00

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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.