Home / 985,312.69-1,359,730.91-532,603.69

Finding the Fourth Proportional to 985,312.69, 1,359,730.91 and 532,603.69

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Solution

The fourth proportional to 985,312.69, 1,359,730.91 and 532,603.69 is: 734,992.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,312.69 : 1,359,730.91 = 532,603.69 : x
  2. Step 2: Convert to fraction form
    985,312.69/1,359,730.91 = 532,603.69/x
  3. Step 3: Cross multiply
    985,312.69x = 1,359,730.91 × 532,603.69
  4. Step 4: Simplify right side
    985,312.69x = 724,197,704,803.89
  5. Step 5: Solve for x
    x = 724,197,704,803.89/985,312.69
  6. Step 6: Final answer
    x = 734,992.77

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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.