Home / 688,580.10-1,032,870.15-662,336.10

Finding the Fourth Proportional to 688,580.10, 1,032,870.15 and 662,336.10

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Solution

The fourth proportional to 688,580.10, 1,032,870.15 and 662,336.10 is: 993,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,580.10 : 1,032,870.15 = 662,336.10 : x
  2. Step 2: Convert to fraction form
    688,580.10/1,032,870.15 = 662,336.10/x
  3. Step 3: Cross multiply
    688,580.10x = 1,032,870.15 × 662,336.10
  4. Step 4: Simplify right side
    688,580.10x = 684,107,186,957.42
  5. Step 5: Solve for x
    x = 684,107,186,957.42/688,580.10
  6. Step 6: Final answer
    x = 993,504.15

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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.