Home / 868,655.40-1,302,918.30-363,085.80

Finding the Fourth Proportional to 868,655.40, 1,302,918.30 and 363,085.80

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Solution

The fourth proportional to 868,655.40, 1,302,918.30 and 363,085.80 is: 544,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,655.40 : 1,302,918.30 = 363,085.80 : x
  2. Step 2: Convert to fraction form
    868,655.40/1,302,918.30 = 363,085.80/x
  3. Step 3: Cross multiply
    868,655.40x = 1,302,918.30 × 363,085.80
  4. Step 4: Simplify right side
    868,655.40x = 473,071,133,290.14
  5. Step 5: Solve for x
    x = 473,071,133,290.14/868,655.40
  6. Step 6: Final answer
    x = 544,601.61

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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.