Home / 870,911.10-1,304,617.05-604,971.90

Finding the Fourth Proportional to 870,911.10, 1,304,617.05 and 604,971.90

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Solution

The fourth proportional to 870,911.10, 1,304,617.05 and 604,971.90 is: 906,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,911.10 : 1,304,617.05 = 604,971.90 : x
  2. Step 2: Convert to fraction form
    870,911.10/1,304,617.05 = 604,971.90/x
  3. Step 3: Cross multiply
    870,911.10x = 1,304,617.05 × 604,971.90
  4. Step 4: Simplify right side
    870,911.10x = 789,256,655,510.90
  5. Step 5: Solve for x
    x = 789,256,655,510.90/870,911.10
  6. Step 6: Final answer
    x = 906,242.50

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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.