Home / 710,686.80-1,065,981.60-230,907.60

Finding the Fourth Proportional to 710,686.80, 1,065,981.60 and 230,907.60

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Solution

The fourth proportional to 710,686.80, 1,065,981.60 and 230,907.60 is: 346,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,686.80 : 1,065,981.60 = 230,907.60 : x
  2. Step 2: Convert to fraction form
    710,686.80/1,065,981.60 = 230,907.60/x
  3. Step 3: Cross multiply
    710,686.80x = 1,065,981.60 × 230,907.60
  4. Step 4: Simplify right side
    710,686.80x = 246,143,252,900.16
  5. Step 5: Solve for x
    x = 246,143,252,900.16/710,686.80
  6. Step 6: Final answer
    x = 346,345.61

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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.