Home / 698,000.20-1,047,000.30-558,032.20

Finding the Fourth Proportional to 698,000.20, 1,047,000.30 and 558,032.20

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Solution

The fourth proportional to 698,000.20, 1,047,000.30 and 558,032.20 is: 837,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,000.20 : 1,047,000.30 = 558,032.20 : x
  2. Step 2: Convert to fraction form
    698,000.20/1,047,000.30 = 558,032.20/x
  3. Step 3: Cross multiply
    698,000.20x = 1,047,000.30 × 558,032.20
  4. Step 4: Simplify right side
    698,000.20x = 584,259,880,809.66
  5. Step 5: Solve for x
    x = 584,259,880,809.66/698,000.20
  6. Step 6: Final answer
    x = 837,048.30

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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.