Home / 538,823.84-742,804.46-423,903.19

Finding the Fourth Proportional to 538,823.84, 742,804.46 and 423,903.19

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Solution

The fourth proportional to 538,823.84, 742,804.46 and 423,903.19 is: 584,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,823.84 : 742,804.46 = 423,903.19 : x
  2. Step 2: Convert to fraction form
    538,823.84/742,804.46 = 423,903.19/x
  3. Step 3: Cross multiply
    538,823.84x = 742,804.46 × 423,903.19
  4. Step 4: Simplify right side
    538,823.84x = 314,877,178,020.71
  5. Step 5: Solve for x
    x = 314,877,178,020.71/538,823.84
  6. Step 6: Final answer
    x = 584,378.71

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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.