Home / 560,324.20-839,903.10-307,215.40

Finding the Fourth Proportional to 560,324.20, 839,903.10 and 307,215.40

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Solution

The fourth proportional to 560,324.20, 839,903.10 and 307,215.40 is: 460,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,324.20 : 839,903.10 = 307,215.40 : x
  2. Step 2: Convert to fraction form
    560,324.20/839,903.10 = 307,215.40/x
  3. Step 3: Cross multiply
    560,324.20x = 839,903.10 × 307,215.40
  4. Step 4: Simplify right side
    560,324.20x = 258,031,166,827.74
  5. Step 5: Solve for x
    x = 258,031,166,827.74/560,324.20
  6. Step 6: Final answer
    x = 460,503.34

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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.