Home / 868,032.31-1,302,038.74-306,935.59

Finding the Fourth Proportional to 868,032.31, 1,302,038.74 and 306,935.59

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Solution

The fourth proportional to 868,032.31, 1,302,038.74 and 306,935.59 is: 460,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,032.31 : 1,302,038.74 = 306,935.59 : x
  2. Step 2: Convert to fraction form
    868,032.31/1,302,038.74 = 306,935.59/x
  3. Step 3: Cross multiply
    868,032.31x = 1,302,038.74 × 306,935.59
  4. Step 4: Simplify right side
    868,032.31x = 399,642,028,864.76
  5. Step 5: Solve for x
    x = 399,642,028,864.76/868,032.31
  6. Step 6: Final answer
    x = 460,399.95

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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.