Home / 723,416.69-1,085,368.14-507,500.46

Finding the Fourth Proportional to 723,416.69, 1,085,368.14 and 507,500.46

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Solution

The fourth proportional to 723,416.69, 1,085,368.14 and 507,500.46 is: 761,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,416.69 : 1,085,368.14 = 507,500.46 : x
  2. Step 2: Convert to fraction form
    723,416.69/1,085,368.14 = 507,500.46/x
  3. Step 3: Cross multiply
    723,416.69x = 1,085,368.14 × 507,500.46
  4. Step 4: Simplify right side
    723,416.69x = 550,824,830,319.34
  5. Step 5: Solve for x
    x = 550,824,830,319.34/723,416.69
  6. Step 6: Final answer
    x = 761,421.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.