Home / 905,133.18-1,358,271.45-506,035.74

Finding the Fourth Proportional to 905,133.18, 1,358,271.45 and 506,035.74

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Solution

The fourth proportional to 905,133.18, 1,358,271.45 and 506,035.74 is: 759,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,133.18 : 1,358,271.45 = 506,035.74 : x
  2. Step 2: Convert to fraction form
    905,133.18/1,358,271.45 = 506,035.74/x
  3. Step 3: Cross multiply
    905,133.18x = 1,358,271.45 × 506,035.74
  4. Step 4: Simplify right side
    905,133.18x = 687,333,898,321.62
  5. Step 5: Solve for x
    x = 687,333,898,321.62/905,133.18
  6. Step 6: Final answer
    x = 759,373.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.