Home / 900,366.90-1,242,613.53-518,468.10

Finding the Fourth Proportional to 900,366.90, 1,242,613.53 and 518,468.10

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Solution

The fourth proportional to 900,366.90, 1,242,613.53 and 518,468.10 is: 715,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,366.90 : 1,242,613.53 = 518,468.10 : x
  2. Step 2: Convert to fraction form
    900,366.90/1,242,613.53 = 518,468.10/x
  3. Step 3: Cross multiply
    900,366.90x = 1,242,613.53 × 518,468.10
  4. Step 4: Simplify right side
    900,366.90x = 644,255,475,933.39
  5. Step 5: Solve for x
    x = 644,255,475,933.39/900,366.90
  6. Step 6: Final answer
    x = 715,547.71

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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.