Home / 849,478.56-1,273,085.64-316,462.92

Finding the Fourth Proportional to 849,478.56, 1,273,085.64 and 316,462.92

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Solution

The fourth proportional to 849,478.56, 1,273,085.64 and 316,462.92 is: 474,272.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,478.56 : 1,273,085.64 = 316,462.92 : x
  2. Step 2: Convert to fraction form
    849,478.56/1,273,085.64 = 316,462.92/x
  3. Step 3: Cross multiply
    849,478.56x = 1,273,085.64 × 316,462.92
  4. Step 4: Simplify right side
    849,478.56x = 402,884,399,044.47
  5. Step 5: Solve for x
    x = 402,884,399,044.47/849,478.56
  6. Step 6: Final answer
    x = 474,272.59

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Double scale
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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.