Home / 669,927.40-1,003,724.70-433,148.20

Finding the Fourth Proportional to 669,927.40, 1,003,724.70 and 433,148.20

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Solution

The fourth proportional to 669,927.40, 1,003,724.70 and 433,148.20 is: 648,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,927.40 : 1,003,724.70 = 433,148.20 : x
  2. Step 2: Convert to fraction form
    669,927.40/1,003,724.70 = 433,148.20/x
  3. Step 3: Cross multiply
    669,927.40x = 1,003,724.70 × 433,148.20
  4. Step 4: Simplify right side
    669,927.40x = 434,761,547,100.54
  5. Step 5: Solve for x
    x = 434,761,547,100.54/669,927.40
  6. Step 6: Final answer
    x = 648,968.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.