Home / 940,877.40-1,411,316.10-309,709.20

Finding the Fourth Proportional to 940,877.40, 1,411,316.10 and 309,709.20

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Solution

The fourth proportional to 940,877.40, 1,411,316.10 and 309,709.20 is: 464,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,877.40 : 1,411,316.10 = 309,709.20 : x
  2. Step 2: Convert to fraction form
    940,877.40/1,411,316.10 = 309,709.20/x
  3. Step 3: Cross multiply
    940,877.40x = 1,411,316.10 × 309,709.20
  4. Step 4: Simplify right side
    940,877.40x = 437,097,580,278.12
  5. Step 5: Solve for x
    x = 437,097,580,278.12/940,877.40
  6. Step 6: Final answer
    x = 464,563.80

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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.