Home / 897,243.60-1,345,403.70-266,075.40

Finding the Fourth Proportional to 897,243.60, 1,345,403.70 and 266,075.40

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Solution

The fourth proportional to 897,243.60, 1,345,403.70 and 266,075.40 is: 398,976.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,243.60 : 1,345,403.70 = 266,075.40 : x
  2. Step 2: Convert to fraction form
    897,243.60/1,345,403.70 = 266,075.40/x
  3. Step 3: Cross multiply
    897,243.60x = 1,345,403.70 × 266,075.40
  4. Step 4: Simplify right side
    897,243.60x = 357,978,827,638.98
  5. Step 5: Solve for x
    x = 357,978,827,638.98/897,243.60
  6. Step 6: Final answer
    x = 398,976.18

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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.