Home / 910,478.19-1,256,453.76-497,013.30

Finding the Fourth Proportional to 910,478.19, 1,256,453.76 and 497,013.30

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Solution

The fourth proportional to 910,478.19, 1,256,453.76 and 497,013.30 is: 685,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,478.19 : 1,256,453.76 = 497,013.30 : x
  2. Step 2: Convert to fraction form
    910,478.19/1,256,453.76 = 497,013.30/x
  3. Step 3: Cross multiply
    910,478.19x = 1,256,453.76 × 497,013.30
  4. Step 4: Simplify right side
    910,478.19x = 624,474,229,555.01
  5. Step 5: Solve for x
    x = 624,474,229,555.01/910,478.19
  6. Step 6: Final answer
    x = 685,875.00

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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.