Home / 743,135.04-1,114,417.31-316,400.31

Finding the Fourth Proportional to 743,135.04, 1,114,417.31 and 316,400.31

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Solution

The fourth proportional to 743,135.04, 1,114,417.31 and 316,400.31 is: 474,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,135.04 : 1,114,417.31 = 316,400.31 : x
  2. Step 2: Convert to fraction form
    743,135.04/1,114,417.31 = 316,400.31/x
  3. Step 3: Cross multiply
    743,135.04x = 1,114,417.31 × 316,400.31
  4. Step 4: Simplify right side
    743,135.04x = 352,601,980,771.37
  5. Step 5: Solve for x
    x = 352,601,980,771.37/743,135.04
  6. Step 6: Final answer
    x = 474,479.01

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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.