Home / 679,421.82-937,613.68-373,510.95

Finding the Fourth Proportional to 679,421.82, 937,613.68 and 373,510.95

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Solution

The fourth proportional to 679,421.82, 937,613.68 and 373,510.95 is: 515,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,421.82 : 937,613.68 = 373,510.95 : x
  2. Step 2: Convert to fraction form
    679,421.82/937,613.68 = 373,510.95/x
  3. Step 3: Cross multiply
    679,421.82x = 937,613.68 × 373,510.95
  4. Step 4: Simplify right side
    679,421.82x = 350,208,971,899.97
  5. Step 5: Solve for x
    x = 350,208,971,899.97/679,421.82
  6. Step 6: Final answer
    x = 515,451.46

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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.