Home / 631,542.40-947,313.60-579,932.80

Finding the Fourth Proportional to 631,542.40, 947,313.60 and 579,932.80

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Solution

The fourth proportional to 631,542.40, 947,313.60 and 579,932.80 is: 869,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,542.40 : 947,313.60 = 579,932.80 : x
  2. Step 2: Convert to fraction form
    631,542.40/947,313.60 = 579,932.80/x
  3. Step 3: Cross multiply
    631,542.40x = 947,313.60 × 579,932.80
  4. Step 4: Simplify right side
    631,542.40x = 549,378,228,526.08
  5. Step 5: Solve for x
    x = 549,378,228,526.08/631,542.40
  6. Step 6: Final answer
    x = 869,899.20

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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.