Home / 700,010.40-1,050,015.60-432,904.80

Finding the Fourth Proportional to 700,010.40, 1,050,015.60 and 432,904.80

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Solution

The fourth proportional to 700,010.40, 1,050,015.60 and 432,904.80 is: 649,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,010.40 : 1,050,015.60 = 432,904.80 : x
  2. Step 2: Convert to fraction form
    700,010.40/1,050,015.60 = 432,904.80/x
  3. Step 3: Cross multiply
    700,010.40x = 1,050,015.60 × 432,904.80
  4. Step 4: Simplify right side
    700,010.40x = 454,556,793,314.88
  5. Step 5: Solve for x
    x = 454,556,793,314.88/700,010.40
  6. Step 6: Final answer
    x = 649,357.20

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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.