Home / 885,875.47-1,329,024.87-286,837.29

Finding the Fourth Proportional to 885,875.47, 1,329,024.87 and 286,837.29

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Solution

The fourth proportional to 885,875.47, 1,329,024.87 and 286,837.29 is: 430,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,875.47 : 1,329,024.87 = 286,837.29 : x
  2. Step 2: Convert to fraction form
    885,875.47/1,329,024.87 = 286,837.29/x
  3. Step 3: Cross multiply
    885,875.47x = 1,329,024.87 × 286,837.29
  4. Step 4: Simplify right side
    885,875.47x = 381,213,892,053.40
  5. Step 5: Solve for x
    x = 381,213,892,053.40/885,875.47
  6. Step 6: Final answer
    x = 430,324.47

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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.