Home / 930,289.76-1,393,566.26-424,154.51

Finding the Fourth Proportional to 930,289.76, 1,393,566.26 and 424,154.51

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Solution

The fourth proportional to 930,289.76, 1,393,566.26 and 424,154.51 is: 635,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,289.76 : 1,393,566.26 = 424,154.51 : x
  2. Step 2: Convert to fraction form
    930,289.76/1,393,566.26 = 424,154.51/x
  3. Step 3: Cross multiply
    930,289.76x = 1,393,566.26 × 424,154.51
  4. Step 4: Simplify right side
    930,289.76x = 591,087,410,300.10
  5. Step 5: Solve for x
    x = 591,087,410,300.10/930,289.76
  6. Step 6: Final answer
    x = 635,379.90

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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.