Home / 912,036.93-1,258,611.24-498,575.51

Finding the Fourth Proportional to 912,036.93, 1,258,611.24 and 498,575.51

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Solution

The fourth proportional to 912,036.93, 1,258,611.24 and 498,575.51 is: 688,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,036.93 : 1,258,611.24 = 498,575.51 : x
  2. Step 2: Convert to fraction form
    912,036.93/1,258,611.24 = 498,575.51/x
  3. Step 3: Cross multiply
    912,036.93x = 1,258,611.24 × 498,575.51
  4. Step 4: Simplify right side
    912,036.93x = 627,512,733,424.55
  5. Step 5: Solve for x
    x = 627,512,733,424.55/912,036.93
  6. Step 6: Final answer
    x = 688,034.35

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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.