Home / 841,760.98-1,262,641.47-309,051.52

Finding the Fourth Proportional to 841,760.98, 1,262,641.47 and 309,051.52

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Solution

The fourth proportional to 841,760.98, 1,262,641.47 and 309,051.52 is: 463,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,760.98 : 1,262,641.47 = 309,051.52 : x
  2. Step 2: Convert to fraction form
    841,760.98/1,262,641.47 = 309,051.52/x
  3. Step 3: Cross multiply
    841,760.98x = 1,262,641.47 × 309,051.52
  4. Step 4: Simplify right side
    841,760.98x = 390,221,265,518.53
  5. Step 5: Solve for x
    x = 390,221,265,518.53/841,760.98
  6. Step 6: Final answer
    x = 463,577.28

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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.