Home / 727,457.04-1,004,307.12-486,148.32

Finding the Fourth Proportional to 727,457.04, 1,004,307.12 and 486,148.32

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Solution

The fourth proportional to 727,457.04, 1,004,307.12 and 486,148.32 is: 671,162.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,457.04 : 1,004,307.12 = 486,148.32 : x
  2. Step 2: Convert to fraction form
    727,457.04/1,004,307.12 = 486,148.32/x
  3. Step 3: Cross multiply
    727,457.04x = 1,004,307.12 × 486,148.32
  4. Step 4: Simplify right side
    727,457.04x = 488,242,219,152.04
  5. Step 5: Solve for x
    x = 488,242,219,152.04/727,457.04
  6. Step 6: Final answer
    x = 671,162.96

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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.