Home / 740,263.76-1,021,567.25-400,732.01

Finding the Fourth Proportional to 740,263.76, 1,021,567.25 and 400,732.01

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Solution

The fourth proportional to 740,263.76, 1,021,567.25 and 400,732.01 is: 553,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,263.76 : 1,021,567.25 = 400,732.01 : x
  2. Step 2: Convert to fraction form
    740,263.76/1,021,567.25 = 400,732.01/x
  3. Step 3: Cross multiply
    740,263.76x = 1,021,567.25 × 400,732.01
  4. Step 4: Simplify right side
    740,263.76x = 409,374,700,998.42
  5. Step 5: Solve for x
    x = 409,374,700,998.42/740,263.76
  6. Step 6: Final answer
    x = 553,011.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.