Home / 849,901.02-1,274,851.53-288,935.52

Finding the Fourth Proportional to 849,901.02, 1,274,851.53 and 288,935.52

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Solution

The fourth proportional to 849,901.02, 1,274,851.53 and 288,935.52 is: 433,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,901.02 : 1,274,851.53 = 288,935.52 : x
  2. Step 2: Convert to fraction form
    849,901.02/1,274,851.53 = 288,935.52/x
  3. Step 3: Cross multiply
    849,901.02x = 1,274,851.53 × 288,935.52
  4. Step 4: Simplify right side
    849,901.02x = 368,349,889,743.35
  5. Step 5: Solve for x
    x = 368,349,889,743.35/849,901.02
  6. Step 6: Final answer
    x = 433,403.28

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Double scale
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Similar ratio
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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.