Home / 972,143.34-1,341,343.04-564,008.78

Finding the Fourth Proportional to 972,143.34, 1,341,343.04 and 564,008.78

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Solution

The fourth proportional to 972,143.34, 1,341,343.04 and 564,008.78 is: 778,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,143.34 : 1,341,343.04 = 564,008.78 : x
  2. Step 2: Convert to fraction form
    972,143.34/1,341,343.04 = 564,008.78/x
  3. Step 3: Cross multiply
    972,143.34x = 1,341,343.04 × 564,008.78
  4. Step 4: Simplify right side
    972,143.34x = 756,529,251,551.89
  5. Step 5: Solve for x
    x = 756,529,251,551.89/972,143.34
  6. Step 6: Final answer
    x = 778,207.51

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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.