Home / 875,531.94-1,208,421.94-553,036.92

Finding the Fourth Proportional to 875,531.94, 1,208,421.94 and 553,036.92

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Solution

The fourth proportional to 875,531.94, 1,208,421.94 and 553,036.92 is: 763,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,531.94 : 1,208,421.94 = 553,036.92 : x
  2. Step 2: Convert to fraction form
    875,531.94/1,208,421.94 = 553,036.92/x
  3. Step 3: Cross multiply
    875,531.94x = 1,208,421.94 × 553,036.92
  4. Step 4: Simplify right side
    875,531.94x = 668,301,947,758.03
  5. Step 5: Solve for x
    x = 668,301,947,758.03/875,531.94
  6. Step 6: Final answer
    x = 763,309.61

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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.