Home / 516,021.60-774,032.40-302,570.40

Finding the Fourth Proportional to 516,021.60, 774,032.40 and 302,570.40

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Solution

The fourth proportional to 516,021.60, 774,032.40 and 302,570.40 is: 453,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,021.60 : 774,032.40 = 302,570.40 : x
  2. Step 2: Convert to fraction form
    516,021.60/774,032.40 = 302,570.40/x
  3. Step 3: Cross multiply
    516,021.60x = 774,032.40 × 302,570.40
  4. Step 4: Simplify right side
    516,021.60x = 234,199,292,880.96
  5. Step 5: Solve for x
    x = 234,199,292,880.96/516,021.60
  6. Step 6: Final answer
    x = 453,855.60

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Similar ratio
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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.