Home / 916,531.02-1,264,813.50-508,633.14

Finding the Fourth Proportional to 916,531.02, 1,264,813.50 and 508,633.14

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Solution

The fourth proportional to 916,531.02, 1,264,813.50 and 508,633.14 is: 701,914.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,531.02 : 1,264,813.50 = 508,633.14 : x
  2. Step 2: Convert to fraction form
    916,531.02/1,264,813.50 = 508,633.14/x
  3. Step 3: Cross multiply
    916,531.02x = 1,264,813.50 × 508,633.14
  4. Step 4: Simplify right side
    916,531.02x = 643,326,062,019.39
  5. Step 5: Solve for x
    x = 643,326,062,019.39/916,531.02
  6. Step 6: Final answer
    x = 701,914.12

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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.