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Finding the Fourth Proportional to 898,259.80, 1,347,389.70 and 777,537.40

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Solution

The fourth proportional to 898,259.80, 1,347,389.70 and 777,537.40 is: 1,166,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,259.80 : 1,347,389.70 = 777,537.40 : x
  2. Step 2: Convert to fraction form
    898,259.80/1,347,389.70 = 777,537.40/x
  3. Step 3: Cross multiply
    898,259.80x = 1,347,389.70 × 777,537.40
  4. Step 4: Simplify right side
    898,259.80x = 1,047,645,884,124.78
  5. Step 5: Solve for x
    x = 1,047,645,884,124.78/898,259.80
  6. Step 6: Final answer
    x = 1,166,306.10

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1.5x scale

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.