Home / 916,195.66-1,264,501.80-508,428.50

Finding the Fourth Proportional to 916,195.66, 1,264,501.80 and 508,428.50

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Solution

The fourth proportional to 916,195.66, 1,264,501.80 and 508,428.50 is: 701,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,195.66 : 1,264,501.80 = 508,428.50 : x
  2. Step 2: Convert to fraction form
    916,195.66/1,264,501.80 = 508,428.50/x
  3. Step 3: Cross multiply
    916,195.66x = 1,264,501.80 × 508,428.50
  4. Step 4: Simplify right side
    916,195.66x = 642,908,747,098.79
  5. Step 5: Solve for x
    x = 642,908,747,098.79/916,195.66
  6. Step 6: Final answer
    x = 701,715.56

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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.