Home / 943,988.23-1,415,457.46-312,557.59

Finding the Fourth Proportional to 943,988.23, 1,415,457.46 and 312,557.59

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Solution

The fourth proportional to 943,988.23, 1,415,457.46 and 312,557.59 is: 468,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,988.23 : 1,415,457.46 = 312,557.59 : x
  2. Step 2: Convert to fraction form
    943,988.23/1,415,457.46 = 312,557.59/x
  3. Step 3: Cross multiply
    943,988.23x = 1,415,457.46 × 312,557.59
  4. Step 4: Simplify right side
    943,988.23x = 442,411,972,445.12
  5. Step 5: Solve for x
    x = 442,411,972,445.12/943,988.23
  6. Step 6: Final answer
    x = 468,662.59

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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.