Home / 788,336.48-1,087,904.40-430,640.48

Finding the Fourth Proportional to 788,336.48, 1,087,904.40 and 430,640.48

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Solution

The fourth proportional to 788,336.48, 1,087,904.40 and 430,640.48 is: 594,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,336.48 : 1,087,904.40 = 430,640.48 : x
  2. Step 2: Convert to fraction form
    788,336.48/1,087,904.40 = 430,640.48/x
  3. Step 3: Cross multiply
    788,336.48x = 1,087,904.40 × 430,640.48
  4. Step 4: Simplify right side
    788,336.48x = 468,495,673,010.11
  5. Step 5: Solve for x
    x = 468,495,673,010.11/788,336.48
  6. Step 6: Final answer
    x = 594,283.89

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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.