Home / 760,630.83-1,049,660.76-438,370.93

Finding the Fourth Proportional to 760,630.83, 1,049,660.76 and 438,370.93

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Solution

The fourth proportional to 760,630.83, 1,049,660.76 and 438,370.93 is: 604,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,630.83 : 1,049,660.76 = 438,370.93 : x
  2. Step 2: Convert to fraction form
    760,630.83/1,049,660.76 = 438,370.93/x
  3. Step 3: Cross multiply
    760,630.83x = 1,049,660.76 × 438,370.93
  4. Step 4: Simplify right side
    760,630.83x = 460,140,763,545.71
  5. Step 5: Solve for x
    x = 460,140,763,545.71/760,630.83
  6. Step 6: Final answer
    x = 604,946.24

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Double scale
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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.