Home / 910,453.46-1,256,425.85-502,555.41

Finding the Fourth Proportional to 910,453.46, 1,256,425.85 and 502,555.41

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Solution

The fourth proportional to 910,453.46, 1,256,425.85 and 502,555.41 is: 693,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,453.46 : 1,256,425.85 = 502,555.41 : x
  2. Step 2: Convert to fraction form
    910,453.46/1,256,425.85 = 502,555.41/x
  3. Step 3: Cross multiply
    910,453.46x = 1,256,425.85 × 502,555.41
  4. Step 4: Simplify right side
    910,453.46x = 631,423,609,437.74
  5. Step 5: Solve for x
    x = 631,423,609,437.74/910,453.46
  6. Step 6: Final answer
    x = 693,526.51

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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.