Home / 692,493.60-1,038,157.20-360,069.60

Finding the Fourth Proportional to 692,493.60, 1,038,157.20 and 360,069.60

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Solution

The fourth proportional to 692,493.60, 1,038,157.20 and 360,069.60 is: 539,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,493.60 : 1,038,157.20 = 360,069.60 : x
  2. Step 2: Convert to fraction form
    692,493.60/1,038,157.20 = 360,069.60/x
  3. Step 3: Cross multiply
    692,493.60x = 1,038,157.20 × 360,069.60
  4. Step 4: Simplify right side
    692,493.60x = 373,808,847,741.12
  5. Step 5: Solve for x
    x = 373,808,847,741.12/692,493.60
  6. Step 6: Final answer
    x = 539,801.16

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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.