Home / 916,483.36-1,264,754.92-508,612.72

Finding the Fourth Proportional to 916,483.36, 1,264,754.92 and 508,612.72

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Solution

The fourth proportional to 916,483.36, 1,264,754.92 and 508,612.72 is: 701,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,483.36 : 1,264,754.92 = 508,612.72 : x
  2. Step 2: Convert to fraction form
    916,483.36/1,264,754.92 = 508,612.72/x
  3. Step 3: Cross multiply
    916,483.36x = 1,264,754.92 × 508,612.72
  4. Step 4: Simplify right side
    916,483.36x = 643,270,439,994.58
  5. Step 5: Solve for x
    x = 643,270,439,994.58/916,483.36
  6. Step 6: Final answer
    x = 701,889.93

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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.