Home / 845,412.60-1,268,291.70-284,503.80

Finding the Fourth Proportional to 845,412.60, 1,268,291.70 and 284,503.80

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Solution

The fourth proportional to 845,412.60, 1,268,291.70 and 284,503.80 is: 426,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,412.60 : 1,268,291.70 = 284,503.80 : x
  2. Step 2: Convert to fraction form
    845,412.60/1,268,291.70 = 284,503.80/x
  3. Step 3: Cross multiply
    845,412.60x = 1,268,291.70 × 284,503.80
  4. Step 4: Simplify right side
    845,412.60x = 360,833,808,158.46
  5. Step 5: Solve for x
    x = 360,833,808,158.46/845,412.60
  6. Step 6: Final answer
    x = 426,813.85

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Double scale
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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.