Home / 968,710.49-1,337,005.59-641,446.29

Finding the Fourth Proportional to 968,710.49, 1,337,005.59 and 641,446.29

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Solution

The fourth proportional to 968,710.49, 1,337,005.59 and 641,446.29 is: 885,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,710.49 : 1,337,005.59 = 641,446.29 : x
  2. Step 2: Convert to fraction form
    968,710.49/1,337,005.59 = 641,446.29/x
  3. Step 3: Cross multiply
    968,710.49x = 1,337,005.59 × 641,446.29
  4. Step 4: Simplify right side
    968,710.49x = 857,617,276,617.47
  5. Step 5: Solve for x
    x = 857,617,276,617.47/968,710.49
  6. Step 6: Final answer
    x = 885,318.46

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1.5x scale

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.