Home / 788,439.77-1,183,407.35-488,011.58

Finding the Fourth Proportional to 788,439.77, 1,183,407.35 and 488,011.58

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Solution

The fourth proportional to 788,439.77, 1,183,407.35 and 488,011.58 is: 732,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,439.77 : 1,183,407.35 = 488,011.58 : x
  2. Step 2: Convert to fraction form
    788,439.77/1,183,407.35 = 488,011.58/x
  3. Step 3: Cross multiply
    788,439.77x = 1,183,407.35 × 488,011.58
  4. Step 4: Simplify right side
    788,439.77x = 577,516,490,657.11
  5. Step 5: Solve for x
    x = 577,516,490,657.11/788,439.77
  6. Step 6: Final answer
    x = 732,480.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.