Home / 740,275.89-1,021,572.86-417,966.77

Finding the Fourth Proportional to 740,275.89, 1,021,572.86 and 417,966.77

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Solution

The fourth proportional to 740,275.89, 1,021,572.86 and 417,966.77 is: 576,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,275.89 : 1,021,572.86 = 417,966.77 : x
  2. Step 2: Convert to fraction form
    740,275.89/1,021,572.86 = 417,966.77/x
  3. Step 3: Cross multiply
    740,275.89x = 1,021,572.86 × 417,966.77
  4. Step 4: Simplify right side
    740,275.89x = 426,983,501,416.16
  5. Step 5: Solve for x
    x = 426,983,501,416.16/740,275.89
  6. Step 6: Final answer
    x = 576,789.69

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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.