Home / 717,876.07-1,075,798.96-398,168.79

Finding the Fourth Proportional to 717,876.07, 1,075,798.96 and 398,168.79

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Solution

The fourth proportional to 717,876.07, 1,075,798.96 and 398,168.79 is: 596,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,876.07 : 1,075,798.96 = 398,168.79 : x
  2. Step 2: Convert to fraction form
    717,876.07/1,075,798.96 = 398,168.79/x
  3. Step 3: Cross multiply
    717,876.07x = 1,075,798.96 × 398,168.79
  4. Step 4: Simplify right side
    717,876.07x = 428,349,570,186.46
  5. Step 5: Solve for x
    x = 428,349,570,186.46/717,876.07
  6. Step 6: Final answer
    x = 596,690.14

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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.