Home / 817,582.16-1,128,316.50-455,004.98

Finding the Fourth Proportional to 817,582.16, 1,128,316.50 and 455,004.98

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Solution

The fourth proportional to 817,582.16, 1,128,316.50 and 455,004.98 is: 627,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,582.16 : 1,128,316.50 = 455,004.98 : x
  2. Step 2: Convert to fraction form
    817,582.16/1,128,316.50 = 455,004.98/x
  3. Step 3: Cross multiply
    817,582.16x = 1,128,316.50 × 455,004.98
  4. Step 4: Simplify right side
    817,582.16x = 513,389,626,516.17
  5. Step 5: Solve for x
    x = 513,389,626,516.17/817,582.16
  6. Step 6: Final answer
    x = 627,936.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.