Home / 916,926.80-1,374,223.80-442,590.80

Finding the Fourth Proportional to 916,926.80, 1,374,223.80 and 442,590.80

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Solution

The fourth proportional to 916,926.80, 1,374,223.80 and 442,590.80 is: 663,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,926.80 : 1,374,223.80 = 442,590.80 : x
  2. Step 2: Convert to fraction form
    916,926.80/1,374,223.80 = 442,590.80/x
  3. Step 3: Cross multiply
    916,926.80x = 1,374,223.80 × 442,590.80
  4. Step 4: Simplify right side
    916,926.80x = 608,218,811,021.04
  5. Step 5: Solve for x
    x = 608,218,811,021.04/916,926.80
  6. Step 6: Final answer
    x = 663,323.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.