Home / 916,127.07-1,264,256.84-508,228.92

Finding the Fourth Proportional to 916,127.07, 1,264,256.84 and 508,228.92

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Solution

The fourth proportional to 916,127.07, 1,264,256.84 and 508,228.92 is: 701,356.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,127.07 : 1,264,256.84 = 508,228.92 : x
  2. Step 2: Convert to fraction form
    916,127.07/1,264,256.84 = 508,228.92/x
  3. Step 3: Cross multiply
    916,127.07x = 1,264,256.84 × 508,228.92
  4. Step 4: Simplify right side
    916,127.07x = 642,531,879,533.38
  5. Step 5: Solve for x
    x = 642,531,879,533.38/916,127.07
  6. Step 6: Final answer
    x = 701,356.73

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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.