Home / 749,368.60-1,124,052.90-216,943.45

Finding the Fourth Proportional to 749,368.60, 1,124,052.90 and 216,943.45

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Solution

The fourth proportional to 749,368.60, 1,124,052.90 and 216,943.45 is: 325,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,368.60 : 1,124,052.90 = 216,943.45 : x
  2. Step 2: Convert to fraction form
    749,368.60/1,124,052.90 = 216,943.45/x
  3. Step 3: Cross multiply
    749,368.60x = 1,124,052.90 × 216,943.45
  4. Step 4: Simplify right side
    749,368.60x = 243,855,914,108.51
  5. Step 5: Solve for x
    x = 243,855,914,108.51/749,368.60
  6. Step 6: Final answer
    x = 325,415.18

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Double scale
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Similar ratio
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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.