Home / 686,265.30-1,029,802.35-286,875.30

Finding the Fourth Proportional to 686,265.30, 1,029,802.35 and 286,875.30

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Solution

The fourth proportional to 686,265.30, 1,029,802.35 and 286,875.30 is: 430,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,265.30 : 1,029,802.35 = 286,875.30 : x
  2. Step 2: Convert to fraction form
    686,265.30/1,029,802.35 = 286,875.30/x
  3. Step 3: Cross multiply
    686,265.30x = 1,029,802.35 × 286,875.30
  4. Step 4: Simplify right side
    686,265.30x = 295,424,858,096.96
  5. Step 5: Solve for x
    x = 295,424,858,096.96/686,265.30
  6. Step 6: Final answer
    x = 430,482.00

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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.