Home / 908,950.71-1,254,295.59-501,031.47

Finding the Fourth Proportional to 908,950.71, 1,254,295.59 and 501,031.47

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Solution

The fourth proportional to 908,950.71, 1,254,295.59 and 501,031.47 is: 691,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,950.71 : 1,254,295.59 = 501,031.47 : x
  2. Step 2: Convert to fraction form
    908,950.71/1,254,295.59 = 501,031.47/x
  3. Step 3: Cross multiply
    908,950.71x = 1,254,295.59 × 501,031.47
  4. Step 4: Simplify right side
    908,950.71x = 628,441,563,272.22
  5. Step 5: Solve for x
    x = 628,441,563,272.22/908,950.71
  6. Step 6: Final answer
    x = 691,392.35

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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.