Home / 862,886.52-1,190,823.93-480,916.03

Finding the Fourth Proportional to 862,886.52, 1,190,823.93 and 480,916.03

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Solution

The fourth proportional to 862,886.52, 1,190,823.93 and 480,916.03 is: 663,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,886.52 : 1,190,823.93 = 480,916.03 : x
  2. Step 2: Convert to fraction form
    862,886.52/1,190,823.93 = 480,916.03/x
  3. Step 3: Cross multiply
    862,886.52x = 1,190,823.93 × 480,916.03
  4. Step 4: Simplify right side
    862,886.52x = 572,686,316,844.60
  5. Step 5: Solve for x
    x = 572,686,316,844.60/862,886.52
  6. Step 6: Final answer
    x = 663,686.71

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1.5x scale

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.