Home / 723,004.74-1,084,733.82-435,130.47

Finding the Fourth Proportional to 723,004.74, 1,084,733.82 and 435,130.47

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Solution

The fourth proportional to 723,004.74, 1,084,733.82 and 435,130.47 is: 652,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,004.74 : 1,084,733.82 = 435,130.47 : x
  2. Step 2: Convert to fraction form
    723,004.74/1,084,733.82 = 435,130.47/x
  3. Step 3: Cross multiply
    723,004.74x = 1,084,733.82 × 435,130.47
  4. Step 4: Simplify right side
    723,004.74x = 472,000,736,921.50
  5. Step 5: Solve for x
    x = 472,000,736,921.50/723,004.74
  6. Step 6: Final answer
    x = 652,832.15

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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.