Home / 877,556.80-1,316,772.60-498,768.40

Finding the Fourth Proportional to 877,556.80, 1,316,772.60 and 498,768.40

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Solution

The fourth proportional to 877,556.80, 1,316,772.60 and 498,768.40 is: 748,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,556.80 : 1,316,772.60 = 498,768.40 : x
  2. Step 2: Convert to fraction form
    877,556.80/1,316,772.60 = 498,768.40/x
  3. Step 3: Cross multiply
    877,556.80x = 1,316,772.60 × 498,768.40
  4. Step 4: Simplify right side
    877,556.80x = 656,764,562,865.84
  5. Step 5: Solve for x
    x = 656,764,562,865.84/877,556.80
  6. Step 6: Final answer
    x = 748,401.20

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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.