Home / 688,385.28-1,032,683.04-351,242.04

Finding the Fourth Proportional to 688,385.28, 1,032,683.04 and 351,242.04

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Solution

The fourth proportional to 688,385.28, 1,032,683.04 and 351,242.04 is: 526,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,385.28 : 1,032,683.04 = 351,242.04 : x
  2. Step 2: Convert to fraction form
    688,385.28/1,032,683.04 = 351,242.04/x
  3. Step 3: Cross multiply
    688,385.28x = 1,032,683.04 × 351,242.04
  4. Step 4: Simplify right side
    688,385.28x = 362,721,697,643.00
  5. Step 5: Solve for x
    x = 362,721,697,643.00/688,385.28
  6. Step 6: Final answer
    x = 526,916.70

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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.