Home / 841,724.09-1,263,089.18-309,298.94

Finding the Fourth Proportional to 841,724.09, 1,263,089.18 and 309,298.94

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Solution

The fourth proportional to 841,724.09, 1,263,089.18 and 309,298.94 is: 464,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,724.09 : 1,263,089.18 = 309,298.94 : x
  2. Step 2: Convert to fraction form
    841,724.09/1,263,089.18 = 309,298.94/x
  3. Step 3: Cross multiply
    841,724.09x = 1,263,089.18 × 309,298.94
  4. Step 4: Simplify right side
    841,724.09x = 390,672,144,499.47
  5. Step 5: Solve for x
    x = 390,672,144,499.47/841,724.09
  6. Step 6: Final answer
    x = 464,133.26

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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.