Home / 729,492.85-1,006,913.96-423,706.74

Finding the Fourth Proportional to 729,492.85, 1,006,913.96 and 423,706.74

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Solution

The fourth proportional to 729,492.85, 1,006,913.96 and 423,706.74 is: 584,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,492.85 : 1,006,913.96 = 423,706.74 : x
  2. Step 2: Convert to fraction form
    729,492.85/1,006,913.96 = 423,706.74/x
  3. Step 3: Cross multiply
    729,492.85x = 1,006,913.96 × 423,706.74
  4. Step 4: Simplify right side
    729,492.85x = 426,636,231,452.09
  5. Step 5: Solve for x
    x = 426,636,231,452.09/729,492.85
  6. Step 6: Final answer
    x = 584,839.50

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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.