Home / 841,521.08-1,262,238.60-309,001.16

Finding the Fourth Proportional to 841,521.08, 1,262,238.60 and 309,001.16

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Solution

The fourth proportional to 841,521.08, 1,262,238.60 and 309,001.16 is: 463,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,521.08 : 1,262,238.60 = 309,001.16 : x
  2. Step 2: Convert to fraction form
    841,521.08/1,262,238.60 = 309,001.16/x
  3. Step 3: Cross multiply
    841,521.08x = 1,262,238.60 × 309,001.16
  4. Step 4: Simplify right side
    841,521.08x = 390,033,191,596.78
  5. Step 5: Solve for x
    x = 390,033,191,596.78/841,521.08
  6. Step 6: Final answer
    x = 463,485.94

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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.