Home / 841,585.77-1,262,543.29-309,110.81

Finding the Fourth Proportional to 841,585.77, 1,262,543.29 and 309,110.81

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Solution

The fourth proportional to 841,585.77, 1,262,543.29 and 309,110.81 is: 463,726.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,585.77 : 1,262,543.29 = 309,110.81 : x
  2. Step 2: Convert to fraction form
    841,585.77/1,262,543.29 = 309,110.81/x
  3. Step 3: Cross multiply
    841,585.77x = 1,262,543.29 × 309,110.81
  4. Step 4: Simplify right side
    841,585.77x = 390,265,771,946.47
  5. Step 5: Solve for x
    x = 390,265,771,946.47/841,585.77
  6. Step 6: Final answer
    x = 463,726.68

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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.