Home / 972,291.77-1,341,762.89-536,709.36

Finding the Fourth Proportional to 972,291.77, 1,341,762.89 and 536,709.36

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Solution

The fourth proportional to 972,291.77, 1,341,762.89 and 536,709.36 is: 740,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,291.77 : 1,341,762.89 = 536,709.36 : x
  2. Step 2: Convert to fraction form
    972,291.77/1,341,762.89 = 536,709.36/x
  3. Step 3: Cross multiply
    972,291.77x = 1,341,762.89 × 536,709.36
  4. Step 4: Simplify right side
    972,291.77x = 720,136,701,963.65
  5. Step 5: Solve for x
    x = 720,136,701,963.65/972,291.77
  6. Step 6: Final answer
    x = 740,659.05

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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.