Home / 971,190.80-1,455,619.80-497,632.40

Finding the Fourth Proportional to 971,190.80, 1,455,619.80 and 497,632.40

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Solution

The fourth proportional to 971,190.80, 1,455,619.80 and 497,632.40 is: 745,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,190.80 : 1,455,619.80 = 497,632.40 : x
  2. Step 2: Convert to fraction form
    971,190.80/1,455,619.80 = 497,632.40/x
  3. Step 3: Cross multiply
    971,190.80x = 1,455,619.80 × 497,632.40
  4. Step 4: Simplify right side
    971,190.80x = 724,363,574,561.52
  5. Step 5: Solve for x
    x = 724,363,574,561.52/971,190.80
  6. Step 6: Final answer
    x = 745,850.94

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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.