Home / 670,545.60-1,006,984.80-649,550.40

Finding the Fourth Proportional to 670,545.60, 1,006,984.80 and 649,550.40

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Solution

The fourth proportional to 670,545.60, 1,006,984.80 and 649,550.40 is: 975,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,545.60 : 1,006,984.80 = 649,550.40 : x
  2. Step 2: Convert to fraction form
    670,545.60/1,006,984.80 = 649,550.40/x
  3. Step 3: Cross multiply
    670,545.60x = 1,006,984.80 × 649,550.40
  4. Step 4: Simplify right side
    670,545.60x = 654,087,379,633.92
  5. Step 5: Solve for x
    x = 654,087,379,633.92/670,545.60
  6. Step 6: Final answer
    x = 975,455.48

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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.