Home / 939,795.60-1,410,130.80-491,023.20

Finding the Fourth Proportional to 939,795.60, 1,410,130.80 and 491,023.20

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Solution

The fourth proportional to 939,795.60, 1,410,130.80 and 491,023.20 is: 736,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,795.60 : 1,410,130.80 = 491,023.20 : x
  2. Step 2: Convert to fraction form
    939,795.60/1,410,130.80 = 491,023.20/x
  3. Step 3: Cross multiply
    939,795.60x = 1,410,130.80 × 491,023.20
  4. Step 4: Simplify right side
    939,795.60x = 692,406,937,834.56
  5. Step 5: Solve for x
    x = 692,406,937,834.56/939,795.60
  6. Step 6: Final answer
    x = 736,763.33

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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.