Home / 971,186.80-1,455,613.80-497,628.40

Finding the Fourth Proportional to 971,186.80, 1,455,613.80 and 497,628.40

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Solution

The fourth proportional to 971,186.80, 1,455,613.80 and 497,628.40 is: 745,844.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,186.80 : 1,455,613.80 = 497,628.40 : x
  2. Step 2: Convert to fraction form
    971,186.80/1,455,613.80 = 497,628.40/x
  3. Step 3: Cross multiply
    971,186.80x = 1,455,613.80 × 497,628.40
  4. Step 4: Simplify right side
    971,186.80x = 724,354,766,311.92
  5. Step 5: Solve for x
    x = 724,354,766,311.92/971,186.80
  6. Step 6: Final answer
    x = 745,844.95

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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.