Home / 760,628.16-1,049,587.20-438,274.08

Finding the Fourth Proportional to 760,628.16, 1,049,587.20 and 438,274.08

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Solution

The fourth proportional to 760,628.16, 1,049,587.20 and 438,274.08 is: 604,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,628.16 : 1,049,587.20 = 438,274.08 : x
  2. Step 2: Convert to fraction form
    760,628.16/1,049,587.20 = 438,274.08/x
  3. Step 3: Cross multiply
    760,628.16x = 1,049,587.20 × 438,274.08
  4. Step 4: Simplify right side
    760,628.16x = 460,006,864,459.78
  5. Step 5: Solve for x
    x = 460,006,864,459.78/760,628.16
  6. Step 6: Final answer
    x = 604,772.33

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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.