Home / 969,430.80-1,453,271.40-632,632.80

Finding the Fourth Proportional to 969,430.80, 1,453,271.40 and 632,632.80

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Solution

The fourth proportional to 969,430.80, 1,453,271.40 and 632,632.80 is: 948,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,430.80 : 1,453,271.40 = 632,632.80 : x
  2. Step 2: Convert to fraction form
    969,430.80/1,453,271.40 = 632,632.80/x
  3. Step 3: Cross multiply
    969,430.80x = 1,453,271.40 × 632,632.80
  4. Step 4: Simplify right side
    969,430.80x = 919,387,154,941.92
  5. Step 5: Solve for x
    x = 919,387,154,941.92/969,430.80
  6. Step 6: Final answer
    x = 948,378.32

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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.