Home / 832,223.80-1,248,335.70-666,335.80

Finding the Fourth Proportional to 832,223.80, 1,248,335.70 and 666,335.80

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Solution

The fourth proportional to 832,223.80, 1,248,335.70 and 666,335.80 is: 999,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,223.80 : 1,248,335.70 = 666,335.80 : x
  2. Step 2: Convert to fraction form
    832,223.80/1,248,335.70 = 666,335.80/x
  3. Step 3: Cross multiply
    832,223.80x = 1,248,335.70 × 666,335.80
  4. Step 4: Simplify right side
    832,223.80x = 831,810,767,328.06
  5. Step 5: Solve for x
    x = 831,810,767,328.06/832,223.80
  6. Step 6: Final answer
    x = 999,503.70

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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.