Home / 908,139.60-1,362,209.40-572,216.40

Finding the Fourth Proportional to 908,139.60, 1,362,209.40 and 572,216.40

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Solution

The fourth proportional to 908,139.60, 1,362,209.40 and 572,216.40 is: 858,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,139.60 : 1,362,209.40 = 572,216.40 : x
  2. Step 2: Convert to fraction form
    908,139.60/1,362,209.40 = 572,216.40/x
  3. Step 3: Cross multiply
    908,139.60x = 1,362,209.40 × 572,216.40
  4. Step 4: Simplify right side
    908,139.60x = 779,478,558,914.16
  5. Step 5: Solve for x
    x = 779,478,558,914.16/908,139.60
  6. Step 6: Final answer
    x = 858,324.60

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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.