Home / 740,002.40-1,110,003.60-553,378.40

Finding the Fourth Proportional to 740,002.40, 1,110,003.60 and 553,378.40

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Solution

The fourth proportional to 740,002.40, 1,110,003.60 and 553,378.40 is: 830,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,002.40 : 1,110,003.60 = 553,378.40 : x
  2. Step 2: Convert to fraction form
    740,002.40/1,110,003.60 = 553,378.40/x
  3. Step 3: Cross multiply
    740,002.40x = 1,110,003.60 × 553,378.40
  4. Step 4: Simplify right side
    740,002.40x = 614,252,016,162.24
  5. Step 5: Solve for x
    x = 614,252,016,162.24/740,002.40
  6. Step 6: Final answer
    x = 830,067.60

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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.