Home / 747,088.20-1,030,980.40-407,556.44

Finding the Fourth Proportional to 747,088.20, 1,030,980.40 and 407,556.44

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Solution

The fourth proportional to 747,088.20, 1,030,980.40 and 407,556.44 is: 562,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,088.20 : 1,030,980.40 = 407,556.44 : x
  2. Step 2: Convert to fraction form
    747,088.20/1,030,980.40 = 407,556.44/x
  3. Step 3: Cross multiply
    747,088.20x = 1,030,980.40 × 407,556.44
  4. Step 4: Simplify right side
    747,088.20x = 420,182,701,533.78
  5. Step 5: Solve for x
    x = 420,182,701,533.78/747,088.20
  6. Step 6: Final answer
    x = 562,427.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.