Home / 900,466.86-1,242,627.95-492,565.14

Finding the Fourth Proportional to 900,466.86, 1,242,627.95 and 492,565.14

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Solution

The fourth proportional to 900,466.86, 1,242,627.95 and 492,565.14 is: 679,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,466.86 : 1,242,627.95 = 492,565.14 : x
  2. Step 2: Convert to fraction form
    900,466.86/1,242,627.95 = 492,565.14/x
  3. Step 3: Cross multiply
    900,466.86x = 1,242,627.95 × 492,565.14
  4. Step 4: Simplify right side
    900,466.86x = 612,075,211,391.08
  5. Step 5: Solve for x
    x = 612,075,211,391.08/900,466.86
  6. Step 6: Final answer
    x = 679,730.97

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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.