Home / 877,729.63-1,210,923.98-510,145.69

Finding the Fourth Proportional to 877,729.63, 1,210,923.98 and 510,145.69

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Solution

The fourth proportional to 877,729.63, 1,210,923.98 and 510,145.69 is: 703,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,729.63 : 1,210,923.98 = 510,145.69 : x
  2. Step 2: Convert to fraction form
    877,729.63/1,210,923.98 = 510,145.69/x
  3. Step 3: Cross multiply
    877,729.63x = 1,210,923.98 × 510,145.69
  4. Step 4: Simplify right side
    877,729.63x = 617,747,649,314.65
  5. Step 5: Solve for x
    x = 617,747,649,314.65/877,729.63
  6. Step 6: Final answer
    x = 703,801.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.