Home / 538,030.02-742,472.37-296,335.10

Finding the Fourth Proportional to 538,030.02, 742,472.37 and 296,335.10

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Solution

The fourth proportional to 538,030.02, 742,472.37 and 296,335.10 is: 408,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,030.02 : 742,472.37 = 296,335.10 : x
  2. Step 2: Convert to fraction form
    538,030.02/742,472.37 = 296,335.10/x
  3. Step 3: Cross multiply
    538,030.02x = 742,472.37 × 296,335.10
  4. Step 4: Simplify right side
    538,030.02x = 220,020,624,011.19
  5. Step 5: Solve for x
    x = 220,020,624,011.19/538,030.02
  6. Step 6: Final answer
    x = 408,937.45

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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.