Home / 745,156.35-1,026,038.61-561,661.56

Finding the Fourth Proportional to 745,156.35, 1,026,038.61 and 561,661.56

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Solution

The fourth proportional to 745,156.35, 1,026,038.61 and 561,661.56 is: 773,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,156.35 : 1,026,038.61 = 561,661.56 : x
  2. Step 2: Convert to fraction form
    745,156.35/1,026,038.61 = 561,661.56/x
  3. Step 3: Cross multiply
    745,156.35x = 1,026,038.61 × 561,661.56
  4. Step 4: Simplify right side
    745,156.35x = 576,286,446,312.83
  5. Step 5: Solve for x
    x = 576,286,446,312.83/745,156.35
  6. Step 6: Final answer
    x = 773,376.55

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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.