Home / 740,023.40-1,110,035.10-553,399.40

Finding the Fourth Proportional to 740,023.40, 1,110,035.10 and 553,399.40

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Solution

The fourth proportional to 740,023.40, 1,110,035.10 and 553,399.40 is: 830,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,023.40 : 1,110,035.10 = 553,399.40 : x
  2. Step 2: Convert to fraction form
    740,023.40/1,110,035.10 = 553,399.40/x
  3. Step 3: Cross multiply
    740,023.40x = 1,110,035.10 × 553,399.40
  4. Step 4: Simplify right side
    740,023.40x = 614,292,758,318.94
  5. Step 5: Solve for x
    x = 614,292,758,318.94/740,023.40
  6. Step 6: Final answer
    x = 830,099.10

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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.