Home / 875,364.71-1,208,012.50-493,391.49

Finding the Fourth Proportional to 875,364.71, 1,208,012.50 and 493,391.49

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Solution

The fourth proportional to 875,364.71, 1,208,012.50 and 493,391.49 is: 680,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,364.71 : 1,208,012.50 = 493,391.49 : x
  2. Step 2: Convert to fraction form
    875,364.71/1,208,012.50 = 493,391.49/x
  3. Step 3: Cross multiply
    875,364.71x = 1,208,012.50 × 493,391.49
  4. Step 4: Simplify right side
    875,364.71x = 596,023,087,313.63
  5. Step 5: Solve for x
    x = 596,023,087,313.63/875,364.71
  6. Step 6: Final answer
    x = 680,885.44

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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.