Home / 875,839.06-1,208,693.76-553,431.52

Finding the Fourth Proportional to 875,839.06, 1,208,693.76 and 553,431.52

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Solution

The fourth proportional to 875,839.06, 1,208,693.76 and 553,431.52 is: 763,758.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,839.06 : 1,208,693.76 = 553,431.52 : x
  2. Step 2: Convert to fraction form
    875,839.06/1,208,693.76 = 553,431.52/x
  3. Step 3: Cross multiply
    875,839.06x = 1,208,693.76 × 553,431.52
  4. Step 4: Simplify right side
    875,839.06x = 668,929,224,811.32
  5. Step 5: Solve for x
    x = 668,929,224,811.32/875,839.06
  6. Step 6: Final answer
    x = 763,758.16

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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.