Home / 788,440.30-1,178,340.76-575,656.83

Finding the Fourth Proportional to 788,440.30, 1,178,340.76 and 575,656.83

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Solution

The fourth proportional to 788,440.30, 1,178,340.76 and 575,656.83 is: 860,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,440.30 : 1,178,340.76 = 575,656.83 : x
  2. Step 2: Convert to fraction form
    788,440.30/1,178,340.76 = 575,656.83/x
  3. Step 3: Cross multiply
    788,440.30x = 1,178,340.76 × 575,656.83
  4. Step 4: Simplify right side
    788,440.30x = 678,319,906,561.39
  5. Step 5: Solve for x
    x = 678,319,906,561.39/788,440.30
  6. Step 6: Final answer
    x = 860,331.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.