Home / 743,895.71-1,114,909.65-402,325.53

Finding the Fourth Proportional to 743,895.71, 1,114,909.65 and 402,325.53

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Solution

The fourth proportional to 743,895.71, 1,114,909.65 and 402,325.53 is: 602,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,895.71 : 1,114,909.65 = 402,325.53 : x
  2. Step 2: Convert to fraction form
    743,895.71/1,114,909.65 = 402,325.53/x
  3. Step 3: Cross multiply
    743,895.71x = 1,114,909.65 × 402,325.53
  4. Step 4: Simplify right side
    743,895.71x = 448,556,611,657.45
  5. Step 5: Solve for x
    x = 448,556,611,657.45/743,895.71
  6. Step 6: Final answer
    x = 602,983.19

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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.