Home / 916,724.40-1,265,060.07-508,802.46

Finding the Fourth Proportional to 916,724.40, 1,265,060.07 and 508,802.46

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Solution

The fourth proportional to 916,724.40, 1,265,060.07 and 508,802.46 is: 702,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,724.40 : 1,265,060.07 = 508,802.46 : x
  2. Step 2: Convert to fraction form
    916,724.40/1,265,060.07 = 508,802.46/x
  3. Step 3: Cross multiply
    916,724.40x = 1,265,060.07 × 508,802.46
  4. Step 4: Simplify right side
    916,724.40x = 643,665,675,663.77
  5. Step 5: Solve for x
    x = 643,665,675,663.77/916,724.40
  6. Step 6: Final answer
    x = 702,136.52

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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.