Home / 697,115.80-1,045,673.70-655,125.40

Finding the Fourth Proportional to 697,115.80, 1,045,673.70 and 655,125.40

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Solution

The fourth proportional to 697,115.80, 1,045,673.70 and 655,125.40 is: 982,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,115.80 : 1,045,673.70 = 655,125.40 : x
  2. Step 2: Convert to fraction form
    697,115.80/1,045,673.70 = 655,125.40/x
  3. Step 3: Cross multiply
    697,115.80x = 1,045,673.70 × 655,125.40
  4. Step 4: Simplify right side
    697,115.80x = 685,047,400,981.98
  5. Step 5: Solve for x
    x = 685,047,400,981.98/697,115.80
  6. Step 6: Final answer
    x = 982,688.10

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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.