Home / 460,388.42-690,582.63-434,399.30

Finding the Fourth Proportional to 460,388.42, 690,582.63 and 434,399.30

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Solution

The fourth proportional to 460,388.42, 690,582.63 and 434,399.30 is: 651,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,388.42 : 690,582.63 = 434,399.30 : x
  2. Step 2: Convert to fraction form
    460,388.42/690,582.63 = 434,399.30/x
  3. Step 3: Cross multiply
    460,388.42x = 690,582.63 × 434,399.30
  4. Step 4: Simplify right side
    460,388.42x = 299,988,611,064.16
  5. Step 5: Solve for x
    x = 299,988,611,064.16/460,388.42
  6. Step 6: Final answer
    x = 651,598.95

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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.