Home / 908,492.40-1,362,738.60-553,323.60

Finding the Fourth Proportional to 908,492.40, 1,362,738.60 and 553,323.60

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Solution

The fourth proportional to 908,492.40, 1,362,738.60 and 553,323.60 is: 829,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,492.40 : 1,362,738.60 = 553,323.60 : x
  2. Step 2: Convert to fraction form
    908,492.40/1,362,738.60 = 553,323.60/x
  3. Step 3: Cross multiply
    908,492.40x = 1,362,738.60 × 553,323.60
  4. Step 4: Simplify right side
    908,492.40x = 754,035,428,010.96
  5. Step 5: Solve for x
    x = 754,035,428,010.96/908,492.40
  6. Step 6: Final answer
    x = 829,985.40

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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.