Home / 976,443.80-1,464,530.70-302,988.20

Finding the Fourth Proportional to 976,443.80, 1,464,530.70 and 302,988.20

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Solution

The fourth proportional to 976,443.80, 1,464,530.70 and 302,988.20 is: 454,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,443.80 : 1,464,530.70 = 302,988.20 : x
  2. Step 2: Convert to fraction form
    976,443.80/1,464,530.70 = 302,988.20/x
  3. Step 3: Cross multiply
    976,443.80x = 1,464,530.70 × 302,988.20
  4. Step 4: Simplify right side
    976,443.80x = 443,735,520,637.74
  5. Step 5: Solve for x
    x = 443,735,520,637.74/976,443.80
  6. Step 6: Final answer
    x = 454,440.41

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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.