Home / 916,063.60-1,264,175.36-508,192.20

Finding the Fourth Proportional to 916,063.60, 1,264,175.36 and 508,192.20

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Solution

The fourth proportional to 916,063.60, 1,264,175.36 and 508,192.20 is: 701,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,063.60 : 1,264,175.36 = 508,192.20 : x
  2. Step 2: Convert to fraction form
    916,063.60/1,264,175.36 = 508,192.20/x
  3. Step 3: Cross multiply
    916,063.60x = 1,264,175.36 × 508,192.20
  4. Step 4: Simplify right side
    916,063.60x = 642,444,057,384.19
  5. Step 5: Solve for x
    x = 642,444,057,384.19/916,063.60
  6. Step 6: Final answer
    x = 701,309.45

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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.