Home / 723,031.19-1,084,550.65-217,588.71

Finding the Fourth Proportional to 723,031.19, 1,084,550.65 and 217,588.71

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Solution

The fourth proportional to 723,031.19, 1,084,550.65 and 217,588.71 is: 326,384.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,031.19 : 1,084,550.65 = 217,588.71 : x
  2. Step 2: Convert to fraction form
    723,031.19/1,084,550.65 = 217,588.71/x
  3. Step 3: Cross multiply
    723,031.19x = 1,084,550.65 × 217,588.71
  4. Step 4: Simplify right side
    723,031.19x = 235,985,980,386.26
  5. Step 5: Solve for x
    x = 235,985,980,386.26/723,031.19
  6. Step 6: Final answer
    x = 326,384.23

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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.