Home / 890,390.38-1,228,273.90-546,303.06

Finding the Fourth Proportional to 890,390.38, 1,228,273.90 and 546,303.06

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Solution

The fourth proportional to 890,390.38, 1,228,273.90 and 546,303.06 is: 753,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,390.38 : 1,228,273.90 = 546,303.06 : x
  2. Step 2: Convert to fraction form
    890,390.38/1,228,273.90 = 546,303.06/x
  3. Step 3: Cross multiply
    890,390.38x = 1,228,273.90 × 546,303.06
  4. Step 4: Simplify right side
    890,390.38x = 671,009,790,088.13
  5. Step 5: Solve for x
    x = 671,009,790,088.13/890,390.38
  6. Step 6: Final answer
    x = 753,613.03

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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.