Home / 916,455.60-1,264,675.50-508,575.24

Finding the Fourth Proportional to 916,455.60, 1,264,675.50 and 508,575.24

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Solution

The fourth proportional to 916,455.60, 1,264,675.50 and 508,575.24 is: 701,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,455.60 : 1,264,675.50 = 508,575.24 : x
  2. Step 2: Convert to fraction form
    916,455.60/1,264,675.50 = 508,575.24/x
  3. Step 3: Cross multiply
    916,455.60x = 1,264,675.50 × 508,575.24
  4. Step 4: Simplify right side
    916,455.60x = 643,182,645,934.62
  5. Step 5: Solve for x
    x = 643,182,645,934.62/916,455.60
  6. Step 6: Final answer
    x = 701,815.39

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Double scale
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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.