Home / 743,144.04-1,114,430.81-316,409.31

Finding the Fourth Proportional to 743,144.04, 1,114,430.81 and 316,409.31

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Solution

The fourth proportional to 743,144.04, 1,114,430.81 and 316,409.31 is: 474,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,144.04 : 1,114,430.81 = 316,409.31 : x
  2. Step 2: Convert to fraction form
    743,144.04/1,114,430.81 = 316,409.31/x
  3. Step 3: Cross multiply
    743,144.04x = 1,114,430.81 × 316,409.31
  4. Step 4: Simplify right side
    743,144.04x = 352,616,282,052.80
  5. Step 5: Solve for x
    x = 352,616,282,052.80/743,144.04
  6. Step 6: Final answer
    x = 474,492.51

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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.