Home / 877,346.48-1,210,694.80-490,085.08

Finding the Fourth Proportional to 877,346.48, 1,210,694.80 and 490,085.08

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Solution

The fourth proportional to 877,346.48, 1,210,694.80 and 490,085.08 is: 676,293.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,346.48 : 1,210,694.80 = 490,085.08 : x
  2. Step 2: Convert to fraction form
    877,346.48/1,210,694.80 = 490,085.08/x
  3. Step 3: Cross multiply
    877,346.48x = 1,210,694.80 × 490,085.08
  4. Step 4: Simplify right side
    877,346.48x = 593,343,457,913.58
  5. Step 5: Solve for x
    x = 593,343,457,913.58/877,346.48
  6. Step 6: Final answer
    x = 676,293.20

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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.