Home / 740,276.89-1,021,574.23-417,967.77

Finding the Fourth Proportional to 740,276.89, 1,021,574.23 and 417,967.77

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Solution

The fourth proportional to 740,276.89, 1,021,574.23 and 417,967.77 is: 576,791.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,276.89 : 1,021,574.23 = 417,967.77 : x
  2. Step 2: Convert to fraction form
    740,276.89/1,021,574.23 = 417,967.77/x
  3. Step 3: Cross multiply
    740,276.89x = 1,021,574.23 × 417,967.77
  4. Step 4: Simplify right side
    740,276.89x = 426,985,102,802.57
  5. Step 5: Solve for x
    x = 426,985,102,802.57/740,276.89
  6. Step 6: Final answer
    x = 576,791.07

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1.5x scale

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.