Home / 841,561.79-1,262,467.25-309,041.30

Finding the Fourth Proportional to 841,561.79, 1,262,467.25 and 309,041.30

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Solution

The fourth proportional to 841,561.79, 1,262,467.25 and 309,041.30 is: 463,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,561.79 : 1,262,467.25 = 309,041.30 : x
  2. Step 2: Convert to fraction form
    841,561.79/1,262,467.25 = 309,041.30/x
  3. Step 3: Cross multiply
    841,561.79x = 1,262,467.25 × 309,041.30
  4. Step 4: Simplify right side
    841,561.79x = 390,154,517,763.86
  5. Step 5: Solve for x
    x = 390,154,517,763.86/841,561.79
  6. Step 6: Final answer
    x = 463,607.69

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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.