Home / 874,881.37-1,312,838.70-369,409.60

Finding the Fourth Proportional to 874,881.37, 1,312,838.70 and 369,409.60

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Solution

The fourth proportional to 874,881.37, 1,312,838.70 and 369,409.60 is: 554,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,881.37 : 1,312,838.70 = 369,409.60 : x
  2. Step 2: Convert to fraction form
    874,881.37/1,312,838.70 = 369,409.60/x
  3. Step 3: Cross multiply
    874,881.37x = 1,312,838.70 × 369,409.60
  4. Step 4: Simplify right side
    874,881.37x = 484,975,219,031.52
  5. Step 5: Solve for x
    x = 484,975,219,031.52/874,881.37
  6. Step 6: Final answer
    x = 554,332.55

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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.