Home / 657,530.04-907,383.80-385,541.76

Finding the Fourth Proportional to 657,530.04, 907,383.80 and 385,541.76

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Solution

The fourth proportional to 657,530.04, 907,383.80 and 385,541.76 is: 532,043.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,530.04 : 907,383.80 = 385,541.76 : x
  2. Step 2: Convert to fraction form
    657,530.04/907,383.80 = 385,541.76/x
  3. Step 3: Cross multiply
    657,530.04x = 907,383.80 × 385,541.76
  4. Step 4: Simplify right side
    657,530.04x = 349,834,347,247.49
  5. Step 5: Solve for x
    x = 349,834,347,247.49/657,530.04
  6. Step 6: Final answer
    x = 532,043.14

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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.