Home / 688,019.80-1,032,029.70-546,302.20

Finding the Fourth Proportional to 688,019.80, 1,032,029.70 and 546,302.20

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Solution

The fourth proportional to 688,019.80, 1,032,029.70 and 546,302.20 is: 819,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,019.80 : 1,032,029.70 = 546,302.20 : x
  2. Step 2: Convert to fraction form
    688,019.80/1,032,029.70 = 546,302.20/x
  3. Step 3: Cross multiply
    688,019.80x = 1,032,029.70 × 546,302.20
  4. Step 4: Simplify right side
    688,019.80x = 563,800,095,575.34
  5. Step 5: Solve for x
    x = 563,800,095,575.34/688,019.80
  6. Step 6: Final answer
    x = 819,453.30

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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.