Home / 758,031.90-1,137,642.08-528,837.05

Finding the Fourth Proportional to 758,031.90, 1,137,642.08 and 528,837.05

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Solution

The fourth proportional to 758,031.90, 1,137,642.08 and 528,837.05 is: 793,670.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,031.90 : 1,137,642.08 = 528,837.05 : x
  2. Step 2: Convert to fraction form
    758,031.90/1,137,642.08 = 528,837.05/x
  3. Step 3: Cross multiply
    758,031.90x = 1,137,642.08 × 528,837.05
  4. Step 4: Simplify right side
    758,031.90x = 601,627,273,210.67
  5. Step 5: Solve for x
    x = 601,627,273,210.67/758,031.90
  6. Step 6: Final answer
    x = 793,670.13

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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.