Home / 877,151.83-1,210,473.21-474,743.83

Finding the Fourth Proportional to 877,151.83, 1,210,473.21 and 474,743.83

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Solution

The fourth proportional to 877,151.83, 1,210,473.21 and 474,743.83 is: 655,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,151.83 : 1,210,473.21 = 474,743.83 : x
  2. Step 2: Convert to fraction form
    877,151.83/1,210,473.21 = 474,743.83/x
  3. Step 3: Cross multiply
    877,151.83x = 1,210,473.21 × 474,743.83
  4. Step 4: Simplify right side
    877,151.83x = 574,664,687,827.79
  5. Step 5: Solve for x
    x = 574,664,687,827.79/877,151.83
  6. Step 6: Final answer
    x = 655,148.48

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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.