Home / 714,466.30-985,515.01-423,872.12

Finding the Fourth Proportional to 714,466.30, 985,515.01 and 423,872.12

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Solution

The fourth proportional to 714,466.30, 985,515.01 and 423,872.12 is: 584,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,466.30 : 985,515.01 = 423,872.12 : x
  2. Step 2: Convert to fraction form
    714,466.30/985,515.01 = 423,872.12/x
  3. Step 3: Cross multiply
    714,466.30x = 985,515.01 × 423,872.12
  4. Step 4: Simplify right side
    714,466.30x = 417,732,334,461.16
  5. Step 5: Solve for x
    x = 417,732,334,461.16/714,466.30
  6. Step 6: Final answer
    x = 584,677.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.