Home / 698,971.80-1,049,235.30-433,032.60

Finding the Fourth Proportional to 698,971.80, 1,049,235.30 and 433,032.60

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Solution

The fourth proportional to 698,971.80, 1,049,235.30 and 433,032.60 is: 650,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,971.80 : 1,049,235.30 = 433,032.60 : x
  2. Step 2: Convert to fraction form
    698,971.80/1,049,235.30 = 433,032.60/x
  3. Step 3: Cross multiply
    698,971.80x = 1,049,235.30 × 433,032.60
  4. Step 4: Simplify right side
    698,971.80x = 454,353,089,970.78
  5. Step 5: Solve for x
    x = 454,353,089,970.78/698,971.80
  6. Step 6: Final answer
    x = 650,030.64

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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.