Home / 983,901.40-1,475,420.10-451,245.40

Finding the Fourth Proportional to 983,901.40, 1,475,420.10 and 451,245.40

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Solution

The fourth proportional to 983,901.40, 1,475,420.10 and 451,245.40 is: 676,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,901.40 : 1,475,420.10 = 451,245.40 : x
  2. Step 2: Convert to fraction form
    983,901.40/1,475,420.10 = 451,245.40/x
  3. Step 3: Cross multiply
    983,901.40x = 1,475,420.10 × 451,245.40
  4. Step 4: Simplify right side
    983,901.40x = 665,776,533,192.54
  5. Step 5: Solve for x
    x = 665,776,533,192.54/983,901.40
  6. Step 6: Final answer
    x = 676,669.97

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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.