Home / 858,531.96-1,184,778.63-536,428.71

Finding the Fourth Proportional to 858,531.96, 1,184,778.63 and 536,428.71

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Solution

The fourth proportional to 858,531.96, 1,184,778.63 and 536,428.71 is: 740,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,531.96 : 1,184,778.63 = 536,428.71 : x
  2. Step 2: Convert to fraction form
    858,531.96/1,184,778.63 = 536,428.71/x
  3. Step 3: Cross multiply
    858,531.96x = 1,184,778.63 × 536,428.71
  4. Step 4: Simplify right side
    858,531.96x = 635,549,272,126.47
  5. Step 5: Solve for x
    x = 635,549,272,126.47/858,531.96
  6. Step 6: Final answer
    x = 740,274.45

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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.