Home / 916,706.76-1,265,036.29-508,784.68

Finding the Fourth Proportional to 916,706.76, 1,265,036.29 and 508,784.68

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Solution

The fourth proportional to 916,706.76, 1,265,036.29 and 508,784.68 is: 702,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,706.76 : 1,265,036.29 = 508,784.68 : x
  2. Step 2: Convert to fraction form
    916,706.76/1,265,036.29 = 508,784.68/x
  3. Step 3: Cross multiply
    916,706.76x = 1,265,036.29 × 508,784.68
  4. Step 4: Simplify right side
    916,706.76x = 643,631,083,996.04
  5. Step 5: Solve for x
    x = 643,631,083,996.04/916,706.76
  6. Step 6: Final answer
    x = 702,112.29

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Double scale
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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.