Home / 916,711.48-1,265,037.64-508,812.27

Finding the Fourth Proportional to 916,711.48, 1,265,037.64 and 508,812.27

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Solution

The fourth proportional to 916,711.48, 1,265,037.64 and 508,812.27 is: 702,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,711.48 : 1,265,037.64 = 508,812.27 : x
  2. Step 2: Convert to fraction form
    916,711.48/1,265,037.64 = 508,812.27/x
  3. Step 3: Cross multiply
    916,711.48x = 1,265,037.64 × 508,812.27
  4. Step 4: Simplify right side
    916,711.48x = 643,666,673,243.84
  5. Step 5: Solve for x
    x = 643,666,673,243.84/916,711.48
  6. Step 6: Final answer
    x = 702,147.50

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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.