Home / 989,461.13-1,365,458.99-536,752.13

Finding the Fourth Proportional to 989,461.13, 1,365,458.99 and 536,752.13

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Solution

The fourth proportional to 989,461.13, 1,365,458.99 and 536,752.13 is: 740,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,461.13 : 1,365,458.99 = 536,752.13 : x
  2. Step 2: Convert to fraction form
    989,461.13/1,365,458.99 = 536,752.13/x
  3. Step 3: Cross multiply
    989,461.13x = 1,365,458.99 × 536,752.13
  4. Step 4: Simplify right side
    989,461.13x = 732,913,018,626.39
  5. Step 5: Solve for x
    x = 732,913,018,626.39/989,461.13
  6. Step 6: Final answer
    x = 740,719.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.