Home / 890,304.73-1,228,643.39-546,330.70

Finding the Fourth Proportional to 890,304.73, 1,228,643.39 and 546,330.70

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Solution

The fourth proportional to 890,304.73, 1,228,643.39 and 546,330.70 is: 753,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,304.73 : 1,228,643.39 = 546,330.70 : x
  2. Step 2: Convert to fraction form
    890,304.73/1,228,643.39 = 546,330.70/x
  3. Step 3: Cross multiply
    890,304.73x = 1,228,643.39 × 546,330.70
  4. Step 4: Simplify right side
    890,304.73x = 671,245,601,603.29
  5. Step 5: Solve for x
    x = 671,245,601,603.29/890,304.73
  6. Step 6: Final answer
    x = 753,950.40

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Double scale
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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.