Home / 697,205.40-1,045,808.10-649,966.20

Finding the Fourth Proportional to 697,205.40, 1,045,808.10 and 649,966.20

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Solution

The fourth proportional to 697,205.40, 1,045,808.10 and 649,966.20 is: 974,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,205.40 : 1,045,808.10 = 649,966.20 : x
  2. Step 2: Convert to fraction form
    697,205.40/1,045,808.10 = 649,966.20/x
  3. Step 3: Cross multiply
    697,205.40x = 1,045,808.10 × 649,966.20
  4. Step 4: Simplify right side
    697,205.40x = 679,739,916,686.22
  5. Step 5: Solve for x
    x = 679,739,916,686.22/697,205.40
  6. Step 6: Final answer
    x = 974,949.30

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Similar ratio
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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.